19483-Heated Footwarmer Poly Bags; 3 Pair Per Pack: The Heat Factory Footwarmer is a soft, light-weight pouch containing an inert mixture of iron powder, charcoal, salt, water and vermiculite. When exposed to air, a natural exothermic reaction generates consistent and prolonged heat. The footwarmer pouch is made of soft cloth lined with a very thin layer of porous plastic for maximum durability. Made In USA.

Unit UPC: 0-37137-19483-8