Heat factory hand warmers last 10+ hours and are the most popular size. They are ideal for gloves, pockets, heat factory headwear, or any place where soothing heat is desired. Keep handy in luggage, car, or gear bags for anytime use.
Heat Factory Foot Warmers work with pocket socks or heated foot beds and stay warmer for up to six hours. Foot Warmers are designed for use in environments with restricted air-flow such as a shoe or a boot.