The Heat Factory hand warmer is a soft, lightweight pouch containing a biodegradable mixture of iron powder, charcoal, salt, sawdust, and vermiculite. When exposed to the air, an oxidation process takes place that generates heat. Unopened, the Heat Factory Warmers have a shelf life of three years or more.
- Keep the heat flowing through your cold hands with the Heat Factory Hand Warmers
- Lightweight pouch contains a biodegradable mixture of iron powder, charcoal, salt, sawdust, and vermiculite
- Air exposure causes an oxidation process to take place that generates heat
- Ideal for placing in gloves, mittens, pockets or headwear
- Air-activated warmer lasts up to 10 hours
- Safe, odorless, and non-toxic
- Includes 3 hand warmer pairs
- Weight: Approximately .3 pounds
- Shipping Dimensions: Approximately 8.25 x 5.5 x .6 inches.
- This product cannot be shipped to: CA
