"Instant Hot Pack. Ready-to-use and easy to activate for emergency use whenever hot therapy is required. Reaches temperatures up to 76° Celsius (170° Fahrenheit). Remains hot for up to 30 minutes. Foam insulation provides added comfort. 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 24/Case"