【Safe Material】The hot water bottle is made of natural rubber material, contains no toxic substances, is safe, environmentally friendly and recyclable. It can be used cold or hot, it can be used as an ice pack or hot water bottle. 【Large Capacity】The hot water bottle holds 2 liters of hot water, and the large capacity can provide warmth to the back, stomach, waist or shoulders. The included plush cover has good thermal insulation properties and keeps the heat constant. 【Leak-proof Design】The threaded cap of the hot water bottle can prevent water leakage and reduce the risk of being burned by hot water, making it safer to use hot water for heating during the cold winter. 【Soft Pouch】The hot water bag has a plush cover, which is soft and comfortable. Avoid direct contact with the hot rubber bag, avoid skin burns and provide a pleasant feeling when heating. There are two openings at the top and bottom to put your hands in and keep warm. 【Multiple Uses】The hot water bottle can warm your hands, legs, neck, waist, stomach and back, relieve cold or pain. Suitable for most people. It can also be given as an exquisite gift to friends, family or children, so that they can spend a warm winter.