N-Ferno Hand Warming Packs White

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 hoursApplication:• Construction• Freight/Baggage• Drilling/Mining• Oil/Gas Refining• Iron/Steel Work• Delivery/Service• Landscaping/Grounds• Cold Storage/Warehousing• Material Handling