The Heat Factory hand warmer is a soft, lightweight pouch containing a biodegradable mixture of iron powder, charcoal, salt, Heat Factory Hand Warmers 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 12 hand warmer pairs
- Weight: Approximately 1.3 pounds
- Shipping Dimensions: Approximately 9.8 x 6.75 x 2 inches.
- This product cannot be shipped to: CA