instant cold packs - pack of 24 (5" x 6") disposable cold compress therapy instant ice pack for injuries, first aid, pain relief for tooth aches, swelling, sprains, bruises, insect bites medi 55 our medi 55 instant cold therapy pack reduces swelling & inflammation and offers instant pain relief for body injuries, sprained ankles, insect bites, minor burns, headaches, fever relief to ease up your pain towards a speedy recovery. great for school nurses, physical therapists, athletes, hikers.