Features: Safe and Durable: The hot water bottle is made of high-quality PVC material. The screw cap helps prevent the bottle from leaking ensure safety and perfectly transfer heat. The hot water bottle heats hands neck waist back legs etc. Comfortable Plush Waist Cover: Equipped with plush waist cover double-layer soft pad and double plug design it can keep hands and waist warm at the same time. Helps prevent heat from reaching the skin. Versatile Use: The heat preservation bag is an ideal choice for relieving pain backache arthritis and sports injury. Heat therapy can help relax tired muscles and tight shoulders and avoid stress and excessive exercise. Warm Gift: Hot water bag with cover is suitable for children adults and the elderly. Give your family a warm gift in the cold winter. The hot water bottle belt is also a warm gift for your girlfriend wife and other friends on special days or holidays. After Sales Service: If you have any questions about our products please feel free to contact us and we will provide you with solutions as soon as possible. Specifications: Material: PVC + flannelette Capacity: 1000ml Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect. 2.Please allow 1-3cm deviation due to manual measurement. includes: 1 set ofThermal Insulation Bag "