Hothands Hand Warmers are rectangular shaped single-use air-activated heat packs that provide up to 10 hours of continuous warmth for the hands. These hand warmers are great for hunting, tailgating, sporting events, jogging, walking pets, and many more outdoor activities. Theses air activated hand warmers produce heat up to 130 degrees Fahrenheit. HotHands Hand warmers are odorless, nontoxic, easily portable and have a shelf life of up to 6 years. They are also great for use when camping in cool weather and are perfect for emergency kits. One pair per package.FeaturesUp to 10 hours of heatReady to UseAir-ActivatedSafe, Natural HeatNote: Quantity is relevant to the number of individual hand warmers in the package.