FOMI's Hot Cold Jaw Gel Pack completely covers the jaw and surrounding area. It provides pain and swelling relief from many conditions including toothaches, wisdom tooth extraction, dental implants, oral surgery, TMJ, cosmetic surgery, botox, arthritis, and dermabrasion. It can also be used on the forehead to relieve headaches, migraines, head colds, and fever. Cold therapy on the face reduces swelling caused by inflammation, stress, injury, post-surgical pain and burns, relaxes tight muscles and restores flexibility in a wide variety of ailments.It is designed with two adjustable, firm fastener closures to adjust around your head for a secure and custom fit. This feature ensures that it will stay in place and fit comfortably for all sizes, as well as remain hands-free so as not to disrupt your routine. One side has soft, soothing fabric backing for a more comfortable, spa-like feel. The other side is made with a PVC cover for more direct impact. It remains flexible at all temperatures including when frozen, allowing it to conform to your entire jaw area and reach deep into the tissue to provide the ultimate reduction of pain and tension.FOMI's Hot Cold Jaw Pack can be used for both heat and cold therapy. Simply place in refrigerator or freezer until desired temperature for a cold/ice pack effect. For a hot pack effect, simply place in microwave until desired temperature is reached. The gel pack is then ready to relieve your aches and pains!Made from non-toxic gel beads with premium PVC cover, it is safe and resists tearing and leaking. It can be washed simply by wiping it down.