Yaktrax Hand Warmers 10 Pack. Once opened and exposed to oxygen in the air these disposable but environmentally-friendly warmers begin working in just minutes. Slip them into a pair of gloves or jacket pockets and create a cozy cocoon for your hands that lasts up to 8 hours. Yaktrax Warmers are the ideal choice for outdoorsman winter athletes spectators and anyone who works or plays outdoors. Each package contains a pair of warmers. Specifications for Yaktrax Hand Warmer Multi-packs: Manufacturer: Yaktrax Quantity: 10 Package Contents: Yaktrax Hand Warmer Multi-packs The Yaktrax Hand Warmer Multi-packs is a quality addition to the Yaktrax lineup. For more great deals on Heaters & Heat Packs by Yaktrax please browse our Yaktrax Camp & Hike page.