Don't "Bundle Up"..."Bundle Off" with Thaw's toe warmer. Constructed with a unique chemistry compound that makes Thaw's 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. Use it all day then dispose of it easily. With the THAW Disposable Toe Warmers, you don't have to let cold stand in your way. Features: 7+ hours of safe natural heat Warms to 135degF / 57degC Adhesive backing keeps it securely in place Air-activated for convenience Odorless and ready-to-use Long lasting warmth TSA approved for travel 3 year shelf life Additional Details: