HeatMax Super Warmers -
Providing up to 18 hours of 130º-140º heat, HotHands Super Warmers are a safe and easy-to-use heat pack that help keep your hands warm when the temperature gets cold. Air-activated heat packs are formulated to deliver a constant, comforting heat. Ultra-thin, rectangular pack fits into shoes, gloves, and other spots needing a shot of warmth easily. Made in USA .