Features： 1、【Safety Material and No Leaking】Our hot water bottle is made of high-quality rubber, which is anti-aging, durable, and has good sealing performance. Rubber material ensures maximum safety and heat transfer, keeps the water warm for a longer time.The screw cap helps prevent the bottle from leaking. 2、【Plush Waist Warmer Cover】Waist belt designed with super soft double insert for keeping warm to your hands and waist at the same time, and provides gentle heating to prevent the heat from contacting your skin directly, which can cause burns. You can adjust the length of your waist according to your needs. 3、【Convenient to Use】Comes with an anti-squirt stopper, safety and easily let water in and out, prevent water spitting back out. Our hot water bottle maximum capacity 1000ml, suggested to fill to 2/3. (Tips: When filling, hold the neck of the bottle in an upright position, pouring slowly and carefully to avoid hot water splashing back) 4、【Keep Warm】The hot water bottle can be used to warm hands, neck, waist, back, shoulder, legs etc. It is very helpful to relieve the discomfort of minor diseases such as muscle aches, backaches, menstrual cramps, arthritis ache, etc. It can also be used as a cold compress or reduce swelling in children with fever. 5、【Package Included】Including 1 Waist Warmer Cover and 1 hot water bottle. A must have gift for friends and family in cold weather. Specification： Material: Rubber Size: Hot water bottle: approx. 25 x 16 cm Waist cover: approx. 112 x 19.5 cm (length x width) Capacity: 1L Application: Relieve arthritis, headache Package List： 1* Waist warmer cover 1* Hot water bottle (random color)