1) Various sizes 5'',6",7", 8",9",10",11" 2) ... compress to speed up the injury recovery. [Usage] Cold Compress 1. Turn off the lid and put the ice cubes into ... the bag. (fill until reaching the 1/2 or 2/3 of total volume of bag) 2 ... towel to use. 4. Can be fixed with bandage or protector. Caution 1. Long time use may frostbite your skin. Pls control ...