Ice bag is made with a comfortable special double-layer fabric to stop melting. Hermetically sealed stopper with safety seal. Can be used decrease pain, swelling, inflammation and muscle benefits helps to minimize swelling around the injury and reduce bleeding into the tissues, slows down the inflammatory process. Convenient ice bag which can preserve the coldness for not too easily melt. How to use - fill bag two-thirds full with either cold tap water, crushed ice or ice cubes thread cap onto bag, test for leakage by turning bag upside down and pressing firmly apply to desired area