High-quality Material: This animal hot water bottle is made of polyester, non-toxic and harmless, soft and warm to the touch, will not cause harm to skin and body Color and Capacity: This cute cat hot water bag has four colors: blue, gray, pink and black,you can choose according to your preference And the capacity of it is 1 liters Function: Owning it can help women reduce the pain during their menstrual period, and also relieve fatigue and discomfort in shoulders, neck, arms,legs and other parts Easy to Use: The design with a lid and a large opening makes water filling easier and faster Just pour in hot water and tighten the lid, it will not leak easily Widely Used: It can be used not only as a hand warmer, but also for foot warming, bed warming, etc , suitable for children, adults, and the elderly It is a good partner for keeping warm in winter