Grabber Warmers HWPP10 Non-Toxic Hand Warmer, 135 deg F Average, 156 deg F Max, 7 hr Continuous Warmth

For skiers, hunters, fishermen, golfers, campers or anyone who works or plays in the cold. Portable heat source that operates at an average temperature of 135 deg F that last for seven hours or more. Easily fits in gloves and pockets. Air activated.