Tynimo hot water bag is comfortable and best for relieving body pain. Its cover is made up of fluffy and soft materials, which protects you from heat, soothes your skin and makes you feel great. The cover has a ribbed surface design that distributes the heat of the hot water bag evenly and retains heat for a longer time. It can be used to warm up, treat sore muscles, stiff neck, lower back pain, stress or joints; as well as providing relief from fever or swelling in wounds. Whether on the go, at home or outdoors, this small hot water bag is very convinient to carry due to its compact size.