Hot water bottles are made from 100% natural rubber: hot water bottle with animal-shaped cover that helps maintain liquid temperature and retain heat longer than traditional silicone hot water bottles. Hot water bottle with plush cover: hot water bottle with soft cover, the removable and soft cover keeps the hot water bottle warm for longer and the hot water bottle with fashionable cover is also very effective against burns. Hot water bottles can relieve pain : the hot water bottle can relieve abdominal and menstrual cramps, colic and lower back pain. In cold winter, early spring and late autumn, it helps you warm your bed, animal hot water bottle to relieve pain in your hands and feet to warm and reduce colds. Hot water bottle with lid can be used universally: Can be used as a children's hot water bottle, reusable hand warmer, portable hot water bottle, back warmer, neck warmer, menstrual heating belt, belly warmer, foot warmer, bed hot water bottle for adults , whether on the go, at home, in the office or outdoors, the hot water bottle is very practical.