【Safe Material】The hot water bottle is made of natural rubber material, does not contain any toxic substances, is safe, environmentally friendly and recyclable. It can be used cold or hot, it can be used as an ice pack or a hot water bottle. 【Large Capacity】The hot water bottle can hold 2 liters of hot water, and the large capacity can provide warmth to your back, abdomen, waist or shoulders. The included plush cover has good thermal insulation properties and maintains constant warmth. 【Leak-proof design】The threaded cap design 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 bag】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 comfortable 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, abdomen and back, relieve colds 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.