Heat Factory Hand Warmers are lightweight pouches containing a mixture of ingredients that, when exposed to air, create an oxidation process generating heat.

The Hand Warmers are the most popular size warmers and lasts 10 hours. They can be used in gloves, pockets, Heat Factory headwear and/or Heat Factory accessories such as socks, mitts, gloves, headgear, etc. and any place soothing heat is desired. Hand Warmers are sold as pairs only.