Size:one size Size Regular may be suitable for ankle foot wrist elbow and fingers 5.5 x 7 x 2 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.