Soft touch and comfortable on skin Medium Size (230mm x 130mm) Non toxic and biodegradable gel Can be used as hot or cold compress easily and conveniently Use for first-aid applications for physical therapy applications, heatstroke, headaches, muscle strain and fatigue Soft touch and comfortable on skin Traditional hot and cold packs for treating strains, sprains and other injuries. Soft, no-frost cover. Store in freezer until needed. Heat in microwave for heat therapy