1) Various sizes 5'',6",7", 8",9",10",11" 2) Water ... recommended 4) Cold therapy [General Information] Item Ice bagMatericalT/C cloth, LATEX size5”, 6”, 7”, 8”, 9”, 10”, 11” ... fixed with bandage or protector. Caution 1. Long time use may frostbite your skin. Pls control the time. Usually ... not more than 20 mins. 2. Use or after the use, occurrence skin redness, itching, broken and abnormal ...