Ergodyne N-Ferno® 6990 Series Hand Warmer Packs

A sure-fire way to snap into instant warmth. Simply break to activate fast, radiant relief from the cold.
  • All natural ingredients heat up when they contact oxygen
  • Disposable, nontoxic
  • To activate, just open the pack
  • Toe warmers work for 5 hours, hand warmers work for 8 hours, and foot warmers work for 7 hours
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