Size Large may be suitable for knee thigh groin hamstring or shoulder * 7 x 7.5 x 2.5 * CoolXChange 2in1 Compression & Cooling Gel Bandage provides advanced recovery for pain and inflammation. * CoolXChange is ready to use with no refrigeration required and cools for up to 2 hours. * Simply wrap this innovative new bandage on the affected area for instant compression & cooling. * CoolXChange transfers heat energy out via evaporation while the gel bandage provides compression and cooling to minimize swelling