Stay active in colder environments by keeping yourself warm with the Hand & Body Warmer. This warmer is air activated and reaches an average activated temperature of 135degF. In addition, it is capable of lasting up to 18 hours, allowing you to stay outdoors longer. Odorless and environmentally friendly, the Yaktrax(R) Hand & Body Warmer is safe and convenient to use. FEATURES: Air activated 135degF average activated temperature Up to 18 hours of heat Odorless Environmentally friendly Safe to use 1 warmer per pack Model: 07302