1. The thermos is made of high-quality material rubber, non-toxic, odorless and recyclable. For maximum safety and good heat transfer. Tested and there is no risk of leakage and explosion.2. Thermos Dimensions: Length - 72cm, Width - 12cm. This thermos has a large capacity and keeps it warm longer, so you don't have to worry about refilling it again and again on colder days. The shape provides greater coverage, so more parts of the body are kept warm at the same time, and pain and pain can be reached more easily.3. Hot water bottle is suitable for pain relief, arthritis, sports injury. Heat therapy helps to relax muscles and tight shoulders that have been exhausted from stress and overexertion. It also makes an excellent cold pack for children with fever or to reduce swelling in minor injuries.4. The chenille material cover makes skin contact safer and more comfortable. The elegant hot water bottle cover prevents the hot rubber from directly touching your skin and causes burns, and it has a more elegant and personalized look.5. A must-have Christmas gift for friends and family in cold weather. Fill the bottle with hot water, place it in bed up to 10 minutes before bed, and our thermos will prepare you for a warm and wonderful sleep.