These air activation hand warmers provide instant relief for cold fingers in any cold weather activity. Up to 12 hours of safe heat. Average temperature is 57C (135F) and a maximum temperature of 70C (158F), takes up to 15 minutes to heat up. 2 units each in each package.
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- up to 12 hours of heat
- single use air activated
- Safe and natural heat
- 40-unit display