With a unique chemical compound that makes these hand warmers from THAW last much longer than most, with a staggering 10+ hours of heat. Simply open the packet and they'll react instantly with the air, keep them in your pockets or pop inside your gloves for a toasty 124°F / 51°C heat. Great for outdoor pursuits such as camping, fishing, or spectating at sporting events, or keep at home 'in case of emergency', ready for power cuts or heating failure. 20+ hours of safe, natural heatWarms up to 124°F / 51°CAir-activatedReady-to-use
