Ergodyne N-Ferno® 6990 Hand-Style Warming Packs
Hand-Style Warming Packs: Self-contained packs add heat anywhere when exposed to air.
- To activate, just open the pack
- All natural ingredients heat up
when they contact oxygen
- Use them in Winter Liner ear
pockets, in your boots, gloves, or anywhere else you need heat fast
- 6990 heats up to 8 hours
- 6992 heats up to 5 hours
- Disposable, non-toxic
- Sold in case packs of 40 pairs