https://www.mccoys.com/shop/p/8243966-052303-30/grabber-warmers-hwpp10-non-toxic-hand-warmer
Grabber Warmers Non-Toxic Hand Warmer, Specifications: 135 deg F Average, 156 deg F Max, 7 hr Continuous Warmth
Specifications
135 deg F Average, 156 deg F Max, 7 hr Continuous Warmth