Opening the sealed packaging lets oxygen react with the bag. Within a minute they release constant heat. Typically these packs are used for comfort, increasingly however, they are used in rescue operations where a survivor is trapped in a cold or exposed place.
Working temp: 57°C to 70°C
Duration of max. heat: 7 hours
- See more at: http://bcbadventure.com/shop/hand-warmers/#sthash.CUQDURRz.dpuf
18 Item Items
Warning: Last items in stock!
Matchbook of Nail Files
This adorable and practical girls sweater top...
An outstanding value trekking boot, the Contour...
Enamel Mug. Ideal Gift.
Available in a variety of colours, the Trail is...
The women's Two Season Trek & Trail Sock is...
Durable, adjustable, beam spot to flood...