Grabber warmers offer superior, all-natural, portable heat and are standard equipment for anyone who enjoys outdoor activities when it's cold outside. Warmers are air-activated, no shaking or kneading required; just open the package and allow a few minutes to start the process. Grabber Warmers are dry, clean, odorless, non-toxic, non-flammable and designed for one-time, disposable use.  These hand warmers are designed to fit easily into gloves or pockets and are perfect for cold days or if you're stuck in a true survival situation they will help maintain dexterity so you can start a fire, build a shelter or work with small tools.