Grabber Toe Warmers - 2 Pack Hand warmers: fit easily into your glove or pocket keeping hands and fingers toasty for over 7 hrs of warmth Toe warmers: thin with a unique rounded toe and adhesive backing. Designed to function in the low oxygen environment of boots and shoes. Simply stick the Warmers to the outside of your sock, under or over your toes, and enjoy more than 6 hours of warmth Foot warmers: thin, comfortable, and easily fit in your shoe or boot providing over 5 hours of soothing warmth beneath your feet