Meister Iron No-Swell Stainless Steel Compress for Bruises, Cuts & Black Eyes Reduces bruising and swelling when applied to skin. Used in MMA, Boxing and Everyday Injuries Solid 5mm stainless steel retains cold extremely well Keep in the freezer at home or gym, or in ice cooler at an event 7cm x 4.5cm iron compress surface. Slightly curved to target injury Rubber handle shields hand from cold and adds comfort. Used by professional Cut Men