Warm Spark Hand Warmers

Disposable Single Use Air Activated Heat Packs Pack of 2 Long lasting, hand warmers pads with up to 12 hours of warmth with an average temperature of 135°F Handy size of 3.3" x 2.85". Easily fits into any glove and trouser pocket or jacket WarmSpark consist of iron powder, water, salt, activated carbon and vermiculite Open the packaging and the hand warmers will heat up by themselves after a few minutes of exposure to oxygen Can be kept for several years unopened