Cold hands? No longer with Ignik Hand Warmers. Slip these in your camping gear, hiking pack, car, or pantry. You never know when you might be stuck without precious warmth. They start warming in just a few minutes with a good shake. These air-activated pouches are invaluable in a pinch (whether you planned for it or not). The proprietary AirBarrier pouch keeps most of the air out for up to ten hours of glorious warmth. Seal unused warmers in the bag for use up to 72 hours later. These things are pretty impressive and could save your fingers from unforgiving temperatures.