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