N-Ferno 6990 Hand Warming Packs, 40 Pairs, Individually Packaged

• Hand warmer packs keep hands free from chill for up to 12 hours.
• Small and low-profile to easily fit into gloves or jacket pockets.
• All-natural ingredients begin to heat up as soon as you open the pack (no batteries required).
• Easily insert into built-in pockets in thermal accessories for added warmth.
• For cold-weather use on the job or during outdoor recreation like hunting and hiking.