If you are looking to keep your hands, toes, and body and toasty for hours, this is the product for you! OwlHeat Warmers are great tools for skiers, snowboarders, hunters, campers, hikers, students, young children, senior citizens, or anyone who enjoys outdoor activities when the weather is cold. These warmers are very easy to use. Just open the package, shake it, and within seconds you'll enjoy hours of warmth! Even children are able to activate this self-warming heater with ease. It's dry, clean, odorless, non-toxic and non-flammable so it's safe to use for all ages. For the toe warmers, the adhesive sticks to socks so the toe warmer stays in place.