describe:1. Durable and safe: Our thermos is made of PVC, which ensures maximum safety and transfers heat perfectly, keeping the water warmer for longer. For greater safety, the temperature of hot water should not exceed 80 degrees Celsius.2. Wide bottle nozzle: Equipped with an anti-splash plug, allowing safe and easy access to water and preventing water from spraying out again. Our hot water bottle has a maximum capacity of 1000ml and it is recommended to fill it to two-thirds.3. Comfortable Plush Waist Protector: Comes with a plush waist protector designed with ultra-soft dual inserts to keep your hands and waist warm at the same time. Helps prevent heat from coming into direct contact with the skin, which can cause burns.4. Free adjustment: The waist-warming hot water bottle adopts an adjustable design and can be adjusted freely. The extended waist design makes it fit the waist size of most people.5. Multifunctional use: Our hot water bottle pack is great for relieving pain, arthritis, sports injuries. Thermotherapy can help relax muscles and tense shoulders that are tired from stress and overexertion. They can also be used for cold therapy, with a small infusion of cold water or crushed ice. You can give cold compresses to children with fever. Helps improve blood circulation, relieve menstrual pain, and make you feel more relaxed during special periods. Compact size, light weight, easy to carry and store.Specification:Product name: Warm waist hot water bottleProduct size: waist protection: 115*21cm/45.28*8.27in, hot water bottle: 24*16.5cm/9.45*6.5inProduct material: PVC, plushProduct weight: approx. 370 gWater capacity: about 1000mlpacking list:Hot water bottle*1Lumbar support*1Precautions:1. Due to different monitors and lighting effects, the actual color of the product may be slightly different from the color shown in the picture.2. Due to manual measurement, please allow 1-3cm measurement deviation.