Ergodyne N-Ferno Hand Warmers - 40 Pack
Ergodyne hand warmers activate instantly to provide warmth wherever you are.
- Case of 40
- All natural ingredients heat up when they contact oxygen
- Hand style warms up to 8 hours
- Seal from oxygen in Zip-Loc bag and reuse the next day
- Self-contained packs add heat anywhere when exposed to air
- To activate, just open the pack