Heat Factory Adhesive Toe and Foot Warmer - 6+ Hours Heat Each (40 Pair Warmers)

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Toe warmers designed to keep feet warm when skiing, hiking, and hanging out
Heats up restricted air environment of shoe or boot for up to 6 hours
Soft, lightweight pouches contain iron powder, charcoal, salt, water, and vermiculate
Adhesive backing adheres to outside of sock underneath the toes; ultra-thin for comfort
Not intended for use in open air; includes 40 pairs of toe warmers