Stop dealing with leaky bags of ice and hot water bottles! With Perfect Remedy's Ice Packs For Injuries, you can enjoy pain relief wherever you need it, with no mess! This pack includes TWO REUSABLE GEL PACKS, which can both be used for either HOT OR COLD therapy – just stick them in the microwave, or the freezer. They're made with a safe, non-toxic gel, which stays PLIABLE when frozen, and are encased in a sturdy, leak-proof plastic. Each pack has an effective area of 10" x 4.5", making them ideal for SMALL AND MEDIUM-SIZED BODY PARTS. Use them on your knees, shoulders, elbows, ankles, wrists, neck, head, or anywhere else you need it!