Grabber® Toe Warmers Are Single-use, Air-activated Heat Packs That Provide Up To 8 Hours Of Continuous Warmth For The Toes. Applications * Outdoor Dining * Shopping * Tailgating At Events * Outdoor Sporting Events * Hunting &Amp;amp; Fishing * Camping * Working In The Yard * Taking Your Pet For A Walk Features * Up To 8 Hours Of Heat * With Adhesive On One Side So It Stays Where You Stick It * Ready To Use * Air-activated Safe * Natural Heat * Ultra Thin * Contains One Pair Per Package * Duration: 8 Hours * Weight: 0.84 Oz * Dimensions: 4.75″ X 4″ X .1″ * Average Temperature: 97˚f (36˚c) * Maximum Temperature: 115°f (46°c) * Ingredients: Iron, Water, Vermiculite, Charcoal, Polymer, And Salt