Description
Ergodyne® N-Ferno® 6990 Hand Warming Packs
These all natural warmers are simple, effective and long-lasting. Simply open the package and these oxygen-activated warming packs start working right away to provide comfortable warmth throughout the workday. Since they’re oxygen activated, you can reseal them in a plastic bag for later use if the full 12 hours of energy hasn’t been expelled. Ideal for use with Ergodyne N-Ferno headwear with internal warming pockets.
FEATURES
- To activate, just open the pack
- All natural ingredients heat up when they contact oxygen
- Hand style warms up to 12 hours
- Self-contained packs add heat anywhere when exposed to air