From twisted ankles to strain injuries, post-tooth extraction pain to cramps, using Kingston Health Crafts Hot & Cold Soft Gel Pack helps get you back on feet. It works for both cold and hot therapy. As an ice pack, it numbs the pain restricting blood flow to the injury, which helps decrease swelling. For swollen muscles, joint pain and sports injuries you can use it as a heating pad to relieve pain from your bones and tissues instantly. Kingston Health Crafts Hot & Cold Soft Gel is a reusable and washable pack.