How can we use PVC hot water bottles more safely? 2025/11/24

First of all, try to avoid pouring boiling water directly into the PVC hot water bottle. You can wait for the boiling water to cool down a little before pouring it in for use. Secondly, pay attention to the service life of the hot water bag. When the material hardens, changes color or has an abnormal smell, it should be replaced in time. In addition, putting a cloth cover on the hot water bag can not only prevent scalding but also reduce direct contact with the material.In addition to PVC hot water bottles, there are other materials of hot water bags available on the market for selection. For instance, rubber hot water bags have good heat resistance, and some new silicone products also have relatively high safety.Heating is indeed important, but health and safety are even more crucial. Understanding the potential risks of PVC hot water bottles in high temperatures and taking appropriate preventive measures can keep us warm and at ease during the cold season.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

The details of the PVC hot water bottle reveal warmth and care 2025/11/18

When cold air activities are frequent, thermal insulation products have once again drawn attention. Among them, PVC hot water bottles, with their simplicity and practicality, have become a common winter item for many families. It may seem ordinary, but it contains meticulous considerations of user experience in the details, adding a touch of warmth to the cold times.From material selection to craftsmanship, high-quality PVC hot water bottles focus on durability and stable performance during use. The high-standard material endows it with strong compressive resistance, making it less prone to damage and providing a basic safety guarantee. The sealing design has also been meticulously handled to effectively prevent hot water leakage, making people feel more at ease when using it. These seemingly minor details together form the foundation for the reliability and durability of the product.In terms of user experience, PVC hot water bottles also demonstrate a humanized aspect. The water inlet of the Yuefeng is usually designed to be relatively wide, which is convenient for injecting hot water. At the same time, it is combined with a stable screw cap, making operation simple and effortless. Yuefeng reminds that if the outer layer of PVC hot water is covered with velvet or has a cloth cover, it not only enhances the comfort of holding but also avoids the discomfort that may be caused by direct contact with the skin, allowing the heat to be released slowly and evenly. This warmth thus appears particularly gentle and enduring.Whether used for daily heating or as a tool for local hot compresses, PVC hot water bottles can play their due role. It represents not only a physical temperature, but also a meticulous care. In cold weather, having such a reliable and continuous heat source undoubtedly adds much composure and peace to life, allowing every moment to be immersed in a cozy warmth.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

Warm protection in winter, the thoughtful company of PVC hot water bottles 2025/11/18

As the temperature gradually drops, the chill of winter quietly spreads. In this season when more warmth is needed, a high-quality PVC hot water bottle has become an accessible comfort in many People's Daily lives. It not only dispels the cold but also brings a continuous and stable company.The design of the PVC hot water bottle fully takes into account the convenience and safety of use. Its material usually has good heat resistance, can withstand high-temperature hot water well, and is not prone to deformation or aging due to temperature changes. The design of the heat-resistant coat further reduces the risks during use, allowing warmth to be conveyed more safely. Whether it's during a break from study or after sitting for a long time, holding a just-right warmth can effectively relieve the tension in the body, promote local blood circulation, and provide real help for people with cold hands and feet.In addition to its practical heating function, PVC hot water bags also demonstrate their diverse application scenarios. Putting the bed in before going to bed can create a warm and comfortable sleeping environment in advance. When feeling tired, applying heat can help relax the shoulders, neck and waist. It is also a caring companion for many people during special times, gently relieving discomfort. Choosing a PVC hot water bag with a reasonable design and reliable material is like having an additional silent and warm guardian.In this season when the cold wind is gradually rising, let a stable and gentle warmth drive away the chill for you and bring you a comfortable experience from the inside out. With careful selection and correct use, this little warmth will become a reliable companion in the winter.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

Get to know the warm companion in life - PVC hot water bottles 2025/11/11

In the season when the chill is growing stronger, a warm hot water bag is undoubtedly a thoughtful and good item to enhance the quality of life. Among them, PVC hot water bottles have been favored by many families due to their affordable price and good practicality. Today, let's take a closer look at this "warm companion".PVC, scientifically known as polyvinyl chloride, is a widely used polymer material. Hot water bags made from it usually have good flexibility and elasticity, feel soft to the touch, and can fit the body curves well, providing a comfortable heating experience. Compared with some hard heaters, its portability is particularly prominent. Whether studying at the desk or reading in the bed, it can be carried easily and convey warmth at any time.Many people are concerned about the safety of PVC hot water bags. In fact, qualified products produced by regular manufacturers have all undergone strict considerations in terms of material selection and process design. They usually have relatively thick walls and good wear resistance and pressure resistance. Meanwhile, high-quality PVC hot water bags also pay great attention to the design of the water filling port, with good sealing performance, which can effectively prevent hot water leakage. Of course, the safety of any product cannot be separated from the correct usage method, such as avoiding the injection of boiling water and not over-squeezing, etc. These are all important links to ensure safe heating.From the perspectives of environmental protection and economy, PVC hot water bottles have also demonstrated their advantages. A qualified hot water bag, if used and stored properly, can accompany you through several winters. It does not require electricity to drive. While providing warmth, it also saves energy consumption, making it an economical and practical heating option.In conclusion, as a classic heating tool, the value of PVC hot water bags lies in their simple and direct satisfaction of people's need for warmth. In today's era of rapid technological advancement, it still holds a place in many families. This enduring vitality stems precisely from its reliable nature and practical functions.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

Make Warmth Last Longer: Daily Use and Maintenance of PVC Hot Water Bottles 2025/11/11

 PVC hot water bottles are heating items that many friends rely on in autumn and winter. Proper use and maintenance can not only extend its service life but also make this warmth last longer. Here are some practical suggestions, hoping to help you get along better with this "warm-hearted friend".There are certain considerations regarding the water temperature for injection. It is recommended to use hot water at about 80 to 90 degrees Celsius, which is the temperature at which water has been left to stand for one or two minutes after boiling. Pouring boiling water directly into the hot water bag, although the initial temperature is very high, will accelerate the aging of the material of the hot water bag, which is not conducive to its durability in the long run. Fill the bag with water until it reaches two-thirds of its capacity. Then, slowly expel the air inside the bag and tighten the stopper. This approach not only ensures sufficient insulation time but also avoids pressure caused by excessive fullness.Attention should be paid during daily use. When using a hot water bag, it is best to wrap it in a cloth cover or towel. This, on the one hand, can prevent the surface temperature from being too high and causing discomfort, especially for people with sensitive skin and infants. On the other hand, this is also an effective form of protection, reducing the direct friction between the hot water bag and external hard objects and preventing scratches. Remember not to press a hot water bag on any part of your body for a long time or sit under it. Continuous local high pressure may pose risks.Cleaning and storage are knowledge. When cleaning the exterior of a hot water bag, simply use a soft cloth dipped in neutral detergent to gently wipe it. Avoid using corrosive cleaners with strong acids or alkalis. Before storage, please ensure that the inside of the hot water bag is completely dry. You can hang it in a cool and well-ventilated place to air dry naturally. Then store it in a dry and dark place at home, away from heat sources and sharp objects. Proper storage can effectively prevent the material from hardening and cracking.A meticulous care brings about a long-lasting warm companionship. Mastering these simple methods will enable the  PVC hot water bottle in your hand to perform better, continuously delivering you peace of mind and warmth on every cold day.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

It's getting cooler. Let the Yuefeng PVC hot water bottle warm your time 2025/11/3

The autumn wind is gradually rising, and the coolness quietly seeps into every corner of life. At this time of year, the warmest company is nothing but a considerate hot water bag. Yuefeng PVC hot water bottles, with their outstanding quality and ingenious design, are becoming the warm choice for more and more people this season.The carefully selected high-quality PVC material endows the Yuefeng hot water bag with excellent flexibility and durability. Compared with traditional hot water bags, its material is more environmentally friendly and safe. There will be no unpleasant smell when using it, and it brings you a pure and reassuring warm experience. The exquisitely crafted sealed cover design effectively prevents hot water leakage, ensuring warmth is always by your side without any worries.The truth lies in the details. The Yuefeng hot water bag incorporates fashionable elements in its appearance design, with a variety of fresh tones to meet different aesthetic needs. The thoughtful ergonomic design makes the grip more comfortable and natural. The capacity setting is just right, providing long-lasting warmth while avoiding the heaviness and burden. Whether held in the palm of your hand or placed in your arms, you can feel the just-right temperature.Yuefeng has always placed user experience in a prominent position, and every product undergoes strict quality inspection. From material selection to the final product, multiple processes are strictly controlled to ensure that every hot water bag delivered to you is of consistent quality. This unwavering pursuit of quality has earned Yuefeng a lasting and stable trust among consumers.It is worth mentioning that the heat preservation performance of the Yuefeng hot water bag is also excellent. The combination of high-quality materials and exquisite craftsmanship ensures that warmth can last forever. Whether it's for home relaxation, a short break at work, or warming up before going to bed, it can bring you just the right temperature, allowing the coolness to dissipate imperceptibly.The Yuefeng hot water bag is not only a heating item but also a companion in life. In this season that needs warmth, it warms your hands with just the right temperature, and even more so, your time. Choosing Yuefeng means choosing peace of mind and comfort, making this autumn and winter beautiful because of warmth.On a cooler night, let the Yuefeng PVC hot water bottle be by your side. You will feel that it brings not only warmth but also a life attitude of being treated gently. In this season that needs warmth, let this warmth held in the palm of your hand accompany you through every moment that requires warmth.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

The weather is getting cooler and warmer. It's time to get a PVC hot water bottle ready 2025/11/3

The autumn wind is gradually rising, and the coolness quietly seeps into the gaps of the window. While rummaging through your wardrobe to add more clothes, don't forget to prepare a touch of warmth within reach for the upcoming cold. At this point, a traditional PVC hot water bottle has become a considerate choice for many people.Compared with other heating devices, PVC hot water bottles have their unique charm. It doesn't consume electricity and doesn't produce any electronic radiation. Just inject hot water and it can continuously supply heat. This simple way of keeping warm brings a sense of security and stability. Whether you sit quietly in the study reading or curl up on the sofa to take a nap, if you hold it in your arms, the just-right warmth will quickly spread throughout your body, effectively dispelling the chill of late autumn.Of course, while enjoying this warmth, some safety details need to be paid attention to. When choosing a hot water bag, it is essential to pay attention to the material and craftsmanship of the product to ensure that it is thick, durable and has no pungent smell. Before filling with water, please repeatedly check whether the cap can be tightened to prevent water leakage. The hot water injected should not be too full, and the water temperature does not have to be boiling water. It is best to be warm but not scalding to the touch. This can prevent scalding caused by excessively high temperatures. Putting a cloth cover on the hot water bag not only serves as decoration but also has an insulating effect, making the usage experience more comfortable.In addition to the traditional water-filled type, there is also a kind of PVC hand warmer on the market that does not require charging. It releases heat through the crystallization reaction of the internal solution, can be recycled, is portable and provides another option for both home and travel.As time goes by, various ways of keeping warm keep emerging, but the simple and direct warmth represented by PVC hot water bottles remains irreplaceable. When the weather turns cooler, preparing one for yourself or your family in advance is a delicate expression of care through actions. Let this warmth in your hand accompany you through a cozy autumn and winter.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

Seeking warmth in the cooling season? PVC hot water bottles are a lightweight and practical classic choice for keeping warm 2025/10/20

As the temperature gradually drops, the coolness in the morning and evening makes people can't help but seek warmth. As a classic warming item, PVC hot water bottles have once again become the choice of many people. With its light weight and portability, it can provide considerate warmth in various scenarios and meet daily insulation needs.In terms of material properties, high-quality PVC hot water bottles have excellent flexibility and sealing performance. They are less likely to leak after being filled with water, and their surfaces are smooth and easy to clean. Just wipe them with a soft cloth to keep them clean. Unlike the bulky drawback of traditional metal hot water bags, PVC material is lightweight. Whether held in the hand, placed in a pocket, or applied to the waist, abdomen, knees and other areas, it will not cause obvious burden and is more flexible to use.In terms of application scenarios,PVC hot water bottles have a wide range of adaptability. Putting it in the bed before going to bed at night can warm up the bedding in advance and avoid the discomfort of getting into a cold bed. When working, place it under the desk. The warm current can spread along your feet, alleviating the chill after sitting for a long time. For people who tend to have cold hands and feet, carry it with you during the day so that you can take it out at any time to warm up and keep the warmth by your side.In addition, the cost performance of PVC hot water bottles is also quite prominent. They do not rely on electricity; just fill them with hot water and they can be used, which is both convenient and can reduce energy consumption. However, when using it, please note that it is recommended to fill it with hot water at around 80℃ to avoid excessively high water temperature affecting the material's lifespan. At the same time, check if the bag body is damaged to ensure safe use. During the cooling season, a practical PVC hot water bottle can add a lot of warmth and convenience to life.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

U-shaped design of cervical spine hot water bag: These ingenious details conceal exclusive protection for the cervical vertebrae 2025/10/20

In the cold winter, cervical spine hot water bags have become a "savior" for many people to protect their necks. Among them, the U-shaped style has won the hearts of countless fans with its thoughtful design. Many people think, "It's just a curved hot water bottle, isn't it?" But in fact, within this seemingly simple U-shaped arc lies a precise consideration of the physiological characteristics of the cervical vertebrae and the usage scenarios. Every design is addressing the pain points of traditional hot water bottles for neck protection.First of all, the core ingenuity of the U-shaped design lies in precisely conforming to the physiological curvature of the cervical vertebrae. The cervical vertebrae of a person are not straight but have a natural forward convex curve. Traditional rectangular or circular hot water bags can either only partially warm a certain point of the cervical vertebrae or are prone to slipping off, and thus cannot fully cover the entire area. The curvature of the U-shaped hot water bag has been repeatedly adjusted to perfectly wrap around the anterior protrusion of the cervical vertebrae and the muscles on both sides. From the Fengchi point below the back of the head to the trapella muscle above the shoulders, it can be evenly heated. It's like giving the cervical vertebrae a "tailor-made" warm "embrace, without any local heat leakage or discomfort from being pressed. This is a fit that ordinary hot water bags can never achieve.Secondly, the U-shaped design addresses the key demand of "freeing up both hands". When many people apply traditional hot water bags to their cervical vertebrae, they have to hold them up with their hands all the time, or they can only sit still. It is very inconvenient for them to look down at their mobile phones, watch TV, or even lie down to rest. The U-shaped hot water bag can be directly worn around the neck and firmly fixed by its own curvature and weight, without the need for hand support. Whether you are sitting at your desk to handle work, curling up on the sofa to watch TV series, or even lying down to relax before going to bed, you can apply heat to your cervical vertebrae anytime and anywhere. Your hands are completely free, and its practicality is greatly enhanced.In addition, the U-shaped design also takes into account both the "comprehensiveness" and "safety" of warmth retention. When the cervical vertebrae get cold, it is often not just the middle of the neck. The muscles on both sides and the junction of the shoulders are more prone to wind intake, causing stiffness and soreness. The two ends of the U-shaped hot water bag naturally hang down on the shoulders, just covering these areas that are prone to getting cold, forming a "neck and shoulder integrated" warm zone to prevent the shoulders from "leaking air" during hot compresses. Meanwhile, this wringing design can distribute the weight of the hot water bag, unlike traditional hot water bags that press on the cervical vertebrae at a single point. Even after long-term use, it will not cause a feeling of soreness and distension in the cervical vertebrae, making it more friendly to frequent users such as the elderly and office workers.The seemingly simple U-shaped arc is actually a profound insight into the needs of the cervical vertebrae. From conforming to the physiological curve to freeing up hands and providing comprehensive warmth, every design is making the neck brace more comfortable and practical. When choosing a cervical hot water bag, select the right U-shaped design to truly provide your cervical vertebrae with a "just-right" warm care.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

How many types of hot water bottles do you know: Warm choices from traditional to modern 2025/10/13

As the temperature gradually drops, hot water bottles have become a comforting companion for many people to keep warm. At present, there are a wide variety of hot water bags on the market, which can mainly be divided into two categories: traditional water-filling type and electric heating type. Each type has its unique features and applicable scenarios, meeting the diverse needs of different groups of people.Faced with a dazzling array of products, how to choose a safe and suitable hot water bag for oneself? Understanding the characteristics of different types of hot water bags is the first step to making a wise choice.Types and characteristics of hot water bagsTraditional water-filled hot water bags have a long history, among which PVC hot water bottles have attracted attention due to their material properties. PVC material has good heat resistance and durability, and there is usually no difference. This type of product provides warmth by directly injecting hot water, without involving electricity, fundamentally avoiding the risk of electric leakage and making people feel more at ease when using it.The PVC water-filled hot water bag with a long strip design can better conform to the body's curves and is suitable for hot compresses on the cervical vertebrae, abdomen and other areas.Electric hot water bags do not require frequent water changes. They are heated by the built-in heating device, providing continuous warmth. However, safety is the top priority. It is essential to choose safer electric heating wire or electric heating tube products. These products achieve water and electricity separation through insulating rings, ensuring relatively higher safety. However, electrode-type hot water bags have been explicitly prohibited from sale due to their significant safety hazards.When choosing a hot water bag that suits you, you need to comprehensively consider your personal needs, usage scenarios and safety performance. Traditional water-filling types such as PVC hot water bags are economical and practical and do not require electricity. Electric heating products are convenient and fast, but attention should be paid to electrical safety. The new type of waterless hand warmer offers more diverse choices.In cold seasons, choosing and using hot water bags correctly can keep warmth and safety at hand. Whether it's warming hands and feet or applying heat to relieve discomfort, a suitable hot water bag can be a reliable source of warmth in winter.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

Say no to the risk of electric leakage! PVC hot water bottles, with safe design, convey warmth in winter 2025/10/13

As the temperature gradually drops, the chill of winter approaches quietly. In this season, PVC hot water bottles, with their safe and reliable features, have become a choice for many people to keep warm. It is different from rechargeable hot water bottles. It doesn't need to be plugged in, avoiding the risk of electric leakage and making it more reassuring to use.Compared with traditional hot water bags, PVC hot water bottles have seen a significant improvement in material quality. Food-grade PVC material is odorless and more durable. The inner liner thickness can reach up to 3.2 millimeters, which is 1.5 times that of ordinary products, significantly improving the pressure resistance and explosion-proof performance.The design of the honeycomb micro-pore structure increases the contact area between the water body and the material, allowing heat to be released slowly and prolonging the heat preservation time.Applicable in multiple scenarios, warmth always by your sideThe practicality of PVC hot water bottles is reflected in various usage scenarios. Cold hands and feet are a common problem for people who work in offices for long periods of time. In the early morning, pour in hot water, place it under your feet or hold it in your hand, and it can provide continuous heating for several hours, effectively improving local blood circulation.For people with special needs, such as women during their menstrual period or those with cervical discomfort, long PVC hot water bags can better fit the body's curves. Placing it on the abdomen can relieve cramps and pain, while applying heat to the neck can relax tense muscles.Safety details care for every bit of warmthSafety is an important consideration when using a hot water bag. PVC hot water bags reduce risks through multi-layer safety designs. The structure of the spiral leak-proof valve avoids the problem that traditional rubber plugs are prone to fall off.The detachable plush cover equipped on the outer layer not only enhances the insulation effect by more than 50%, but also prevents direct skin contact with the bag body, effectively avoiding burns. Experiments show that hot water bags with patterns on the surface dissipate heat more gently, further reducing the possibility of low-temperature burns.Water temperature control is a key link. Experts suggest keeping the water temperature between 50℃ and 70℃ and not injecting more than two-thirds of the bag. This way, it can not only maintain warmth but also ensure safety.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

After the beginning of autumn, PVC hot water bottles have become a good choice for keeping warm at home 2025/9/29

As the temperature gradually drops in autumn, PVC hot water bottles, which are both practical and cost-effective, have become a good choice for many families to keep warm in response to the chill. This kind of thermal insulation product mainly made of polyvinyl chloride, with its soft texture and excellent heat preservation performance, is suitable for various home scenarios and provides convenience for daily warmth preservation.High-quality PVC hot water bottles have undergone special treatment in terms of material, with a smooth surface and strong flexibility, making them less likely to be damaged due to daily compression. At the same time, they have good heat resistance and can stably hold hot water at an appropriate temperature, avoiding material deformation caused by excessively high temperatures. Some products also adopt a double-layer PVC structure design. The inner layer focuses on heat preservation and temperature retention, while the outer layer adds anti-slip patterns. This not only extends the warmth retention time but also reduces the risk of slipping during use, making them especially suitable for the elderly and children.From the perspective of usage scenarios, PVC hot water bottles have a relatively wide range of adaptability. Before going to bed, pour hot water and place it by the bedside. This can quickly raise the temperature of the bed and improve the problem of difficulty falling asleep in autumn and winter. When working, wearing a knitted coat can provide local warmth for the hands and waist, alleviating the coolness caused by prolonged sitting. When getting up at night, a preheated hot water bag can also temporarily serve as a hand warmer to avoid the stimulation of temperature differences.When using PVC hot water bottles, it is necessary to pay attention to standardized operation to ensure safety. It is recommended to choose a style with an anti-scald cover. When filling water, control the water temperature between 80 and 90 degrees Celsius to avoid overfilling which may cause the sealing cover to be pressed and leak. Before each use, check if the sealing part is intact. When not in use for a long time, drain the water and store it in a cool and dry place. When used properly, PVC hot water bags can add a touch of warmth to home life after the beginning of autumn, becoming a practical and convenient choice for keeping warm.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......

PVC hot water bottle usage: These safety points need to be noted 2025/9/29

PVC hot water bottles, as common warming items in autumn and winter, not only bring warmth but also, proper use is the key to ensuring safety. Whether it is the first use or long-term reuse, mastering the correct operation method can effectively avoid potential risks and extend the service life of the product.When making a purchase, it is important to give priority to product qualifications. It is recommended to choose PVC hot water bottles with clear production information marked and a certificate of conformity. Avoid using products without labels or with rough materials. High-quality PVCmaterial should have no pungent odor, be flexible when held, have no burrs on the edges, and have clear threads on the sealing cover to ensure that it is not easy to leak after being filled with water.There are many details to be controlled during the water injection process. First, control the water temperature. Avoid adding freshly boiled water. It is recommended to keep the water temperature between 80 and 90 degrees Celsius to prevent high temperatures from damaging the PVCmaterial, causing deformation or leakage. Secondly, pay attention to the amount of water injected. Generally, about two-thirds is sufficient. Reserve some space to prevent hot water from expanding and squeezing the sealing cap. When the cap is tightly sealed, rotate it clockwise until it is completely in place to ensure there is no loosening.When in use, it should be paired with a heat-resistant jacket. Especially when used by the elderly or children, avoid direct skin contact with the surface of the hot water bag to prevent burns. Avoid violent squeezing or dropping during use to prevent material damage. If bulges, cracks or water seepage are found on the surface of the hot water bag at the sealing point, its use must be stopped immediately and no further water filling is allowed.When not in use for a long time, the water in the bag should be drained, the inner wall wiped with a dry cloth and then dried. It should be stored in a cool and dry place, avoiding direct sunlight or proximity to high-temperature items. At the same time, it should not be placed together with sharp objects to prevent the material from being scratched and affecting the safety of subsequent use.Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle，cervical spine hot water bag, plush hot water bottle.......