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.
• Body warmers (40 per box) Working temp: 50°C to 65°C
Duration of max. heat: 20 hours CODE: CL280 (40 PACKS) CODE: CL280A (LOOSE)