For back, knees, ankles, elbows. Provides superior cold clay compression therapy that is made from all-natural, clay-based material. Radiant energy offers distinctive advantages over gel/liquid based products. Radiant cold energy transfers slowly and evenly to your pain affected area. This allows ThermiPaq icy cold therapy to penetrate deeper and more effectively without the risk of frost bite or freezer burn. Doctors have identified the ideal combination of time and cold temperature for the highest level of therapeutic relief. It maintains these optimum levels significantly better than other products. Provides highly effective and long lasting cold-compression therapy to reduce pain and swelling due to muscle injuries, sprains and post-surgical discomfort. The clay-based properties enable you to easily mold the pad to any affected area for better pain relief. Safe and easy to use. Our radiant energy technology allows you to cool precisely and evenly at any temperature. Soft, washable latex-free cloth cover. Pliable pad filled with all-natural, clay-based materials. It is non-toxic, biodegradable and environmentally safe. 8 in by 14 in. UPC: 749836532322 Weight: 1.82 lbs