The Hand Warmer is about the size of a business card and produces constant natural heat for 10 hours. They are ideal for gloves, pockets, or any place where soothing heat is desired. Keep handy in luggage, car, or gear bags for anytime use.
The Heat Factory warmers are a soft, lightweight pouch containing a mixture of iron powder, charcoal, salt, sawdust, and vermiculite. When exposed to the air the ingredients combine and react... an oxidation process takes place producing heat.
Heat Factory warmers are specially designed for a unique "Stop and Go" process for conservation. If heating time is not complete, all Heat Factory warmers may be saved by placing the warmer in an airtight container (like a film container). The remaining time can be used later (preferably within one week). For example: A 12 hour Glove-size warmer can be used for 6 hours one day, stored in an airtight container, then used again for approximately 6 hours another day within the week.
Heat Factory Warmers are completely nontoxic, clean, safe and effective. There are no fluids, fumes or flames. Although it is best not to intentionally open up the warmer pouches as they are filled with granular mixture of ingredients and could make a mess if spilled. The contents are all biodegradable.
Each pack contains 12 pair per pack.