N-FERNO HAND WARMING PACKS QTY 40

Hand Warming Packs: Self-contained packs add heat anywhere when exposed to air. Features , To activate, just open the pack , All natural ingredients heat up when they contact oxygen , Seal from oxygen in Zip-Loc bag and reuse the next day , Hand style warms up to 12 hours Application: , Construction , Freight/Baggage , Drilling/Mining , Oil/Gas Refining , Iron/Steel Work , Delivery/Service , Landscaping/Grounds , Cold Storage/Warehousing , Material Handling