The N-Ferno 6992 Adhesive Toe Warmers offer long lasting heat, delivering up to 7 hours of warmth. Specifically designed as a heating pad for toes, they protect part of the body most susceptible to frostbite and hypothermia. As a wearable heating pad, they’re perfect for keeping toes warm for long hours during work or play. Each box includes 40 individually sealed pairs of warmers. HOW TO ACTIVATE To activate, simply open the pack. The ingredients will begin to heat up as so