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 More information: ![](/p.gif) | ![](/p.gif) | Country of Origin: | CN | Size: | 0 | Colour: | White |
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