Super High QualityHigh quality soft thermoplastic material made of rubber, non-toxic, odourless and recyclable. Ensure maximum safety and good heat transfer. After testing, there is no risk of leakage and explosion and it is protected by a cardigan.Has many uses: The hot water bottle cardigan is equipped with different cartoon patterns. The hot water bottle inside can be used to warm the whole body, treat muscle soreness, neck stiffness, lower back pain, menstrual pain, arthritis, stress or cramps. It can also be used as a cold compress for children with fever or to reduce swelling and minor injuries.Unique Design:Comes with hot water bottle and lid. Soft knitted covers prevent burns when in direct contact with your skin and keep you warm for longer. The surface of the grid structure retains heat longer than conventional rubber bottles. Non-slip and anti-scald.Wide Application: It is a good warm choice to prevent hands or feet from suffering frost during winter trips, hiking, camping or other outdoor activities. Also a good gift for women and girls, the elderly and children.Perfect Customer Service: If you have any questions about our products, please send us an email. We will solve the problems as soon as possible to your satisfaction.