IRIS USA Hand Warmers – Large, 60 Individual Warmers, Long-Lasting Up to 18 Hours for Warm and hot Hands - On The Go, Disposable, Handwarmers for Hands and Feet, Winter Essentials, White

SAFE LONG-LASTING HEAT: Air-activated, unscented, and ready to use. Heat duration lasts up to 18 hours. Max temperature: 165°F (74°C); Average temperature: 142°F (61°C). Do not place the warmer directly on your skin.

OPEN AND GO: Simply open the package, remove the warmer, and gently shake it to activate. Place it over your clothes or in your pocket and gloves, and allow 15-30 minutes to heat up fully. If the temperature begins to decrease, expose warmer to air and shake.

OUTDOOR: These single-use hand warmers are TSA approved and travel-sized. They are perfect for outdoor sports, concerts, skiing, biking, hunting, camping, hiking, yardwork, jogging, or walking your dog. Highly recommended for winter emergency kits.

ECO-CONSCIOUS & DISPOSABLE: The only ingredients are: iron powder, water, vermiculite, activated charcoal, salt, and high water absorption resin. Safe to dispose of after use in compliance with your local regulations. Estimated shelf life of 4 years from the production date on the package. Always ready whenever you need it.

WARMER SIZE: 4.8" x 3.7" x 0.1"; BOX SIZE: 9.75"L x 6.5"W x 7.3"H.