Hot Hands Hand Warmers 10 Pairs. This Heated Hand Pack is made from an air-activated material that only activates when you inhale. When the HotHands pack is activated by your body the warm air expands to create a powerful magnetic field that condenses surrounding air around the HotHands heaters warming the contents within. The HotHands Warming Bag is small and compact an ideal size for slipping inside gloves to provide heat without taking the HotHands heater out. The HotHands Hot-Hands warmer delivers an extra punch of heat and it's perfect for skiing snowboarding winter sports or any other cold-weather activity. The Heat Max Hot Hands warmer is completely safe to use with all-natural ingredients that are environmentally friendly and they provide up to 10 hours of continuous warmth. It's a natural and safe way to keep your hands warm. Specifications for Hot Hands Hand Warmers: Manufacturer: Hot Hands Age Group: Adults Auto Igniter: No Quantity: 10 Pairs Features of Hot Hands Hand Warmers: Up to 10 Hours of Heat Air Activated TSA Approved Package Contents: Hot Hands Hand Warmers Hot Hands HH210PK48: Hand Warmers 10 Pairs