Ergodyne - EGO16994 N-Ferno 6994 Warming Variety Pack contains three different types of warmers to provide warming relief and help regulate body temperatures in cold conditions. The included five pairs of hand warmers and five individually wrapped body warmers provide 12 hours of heat. Three pairs of toe warmers radiate 7 hours of heat. Compact warmers easily fit into gloves, jacket pockets, boots and thermal liners. Adhesive body and toe warmers securely attach to socks, clothing or accessories. All-natural, nontoxic ingredients begin to heat up as soon as you open the pack (no batteries required). Easily insert into built-in pockets in thermal accessories for added warmth. Pairs are wrapped together so you can take just what you need for your next job.