Don't "Bundle Up".."Bundle Off" with THAW Air-Activated Disposable Hand Warmers. Our unique chemistry compound makes our disposable warmers last longer than others. When opened, air reacts to the ingredients inside the pouch to create a safe and long-lasting heat so you can get on with your outdoor activities like football, golfing and hunting. Keep your warmers in your gloves or pocket all day then dispose of it easily. With the THAW Disposable Hand Warmers, you don't have to let cold stand in your way.