Stock up and save with our bulk offering of Grabber Small/Medium Foot Warmers. We';ve got you covered, whether you';re organizing a cold weather event or making sure your employees are warm in cold conditions. Each pair lasts 5+ hours and provides fast heat that doesn';t need to be recharged or reheated. They';re safe to use, adhesive, convenient to pack in a backpack or toolbox and can be disposed of with regular trash. Grabber Warmers are made with natural ingredients that don';t harm the environment and have a 4 year shelf life if stored in a cool, dry place. �Warmer Features:Ready to useAdhesiveAir activatedSafe, natural heatHeats up 15-30 minutes after openingSafe to dispose of with regular garbage; ingredients will not harm the environment240�pair per caseTSA approvedWarmer Specifications:�Duration: 5+ Hours (actual duration depends on usage and storage conditions)Weight: 0.17 lbs (77�g)Size:�Men:�8+, Women:�9+Dimensions: 4.25in x 11.25in�(10.8 cm x 28.5 cm)Average Temperature:�95 F (35 C)Maximum Temperature: 102 F (39 C)Ingredients: Iron, water, vermiculite, charcoal, polymer & salt