Footwarmer Insoles
Soft, lightweight 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. Insole pouch is made of soft cloth lined with a very thin layer of porous plastic for maximum durability. Peel back the adhesive backing and press warmer to outside of sock underneath foot. Lasts up to 6 hours.
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