Air-Activated Instant Heat Ultra-Thin Adhesive Toe Warmers last 6 plus hours. 40 Pair per display box. Grabber Adhesive Toe Warmers are a non-toxic, odorless heat source using all natural ingredients that are non-combustible. Just open the package and expose the ultra-thin Toe Warmer to air, and peel back the adhesive backing. Adhere adhesive to shoe, on top or underneath the sock near the toe area.
Six plus hours of warmth
Max temperature 158 degrees
Average temperature 135 degrees
Odorless heat source
Warmers are non-toxic
No shaking is necessary – air activated