Don't let the cold stop you from enjoying the wonders of nature when you have these Ignik Hand Warmers - 4pk at the ready. All you have to do is shake the pouch to activate the warming ingredients in the pouch. Slip the warmer inside your gloves to keep your hands toasty when the cold weather hits. Each pouch contains biodegradable ingredients that can be composted. Protect the earth as you keep your extremities warm with this air pouch that warms for up to 10 hours.