Perfect for outdoor activities like mountain adventures, concerts, sports events, or even shoveling your driveway, these hand warmers provide reliable warmth when you need it most. Heat Pro Hand Warmers activate as soon as you open the package, ensuring you stay warm even in the coldest conditions. With a pack of 40 pairs, you'll be ready for any winter challenge. Enjoy your outdoor activities without worrying about the cold with Heat Pro Hand Warmers.