Physicool is a new, unique stretchy reusable bandage that combines cooling with support and compression and works by drawing heat out through rapid evaporation, as opposed to most other products that work by driving cold in. Physicool gives instant treatment for inflammation and bruising of muscles, tendons and ligaments combined with a long lasting cooling effect even after the bandage has been removed. Reusable cooling bandage. No need for refrigeration. Quickly reduces swelling and pain. Easy to apply, even one handed. Helps speed up the healing process. Bandage A suitable for wrists, knees and ankles.