Introducing Heatworks^® air activated warmers by AMMEX^®. So simple, so easy so perfect – open the plastic outer wrap and within moments – instant warmth. Perfect for use by athletes, outdoor enthusiasts, sportsmen, spectators, skiers, snowboarders, hikers, campers, researchers, construction workers - anyone who needs a break from the cold!

Heatworks^® warmers last, providing up to 8 hours of soothing heat. Designed for one time use, Heatworks warmers consist of iron powder, water, salt, activated charcoal, and vermiculite, which activate when exposed to oxygen. They do not contain any harsh chemicals, so you can safely dispose of them in with your regular trash.