"Instant Warm Pack. Ready-to-use and easy to activate for emergency use whenever warm therapy is required. Reaches temperatures up to 54° Celsius (130° Fahrenheit). Remains warm for up to 20 minutes. For sprains, strains, dislocations, swelling, bumps and bruising, minor burns, insect bites and stings, headaches, migraine and tension relief, muscle aches and spasms, cramps, toothaches and sinus congestion. Ideal for sporting activities, industry, health clubs, schools, automobiles, first aid kits, home and cottages. Dimensions: 15.2 x 25.4 cm (6" x 10"). Sold as case of 24"