Grabber Mega Warmers are rectangular shaped single-use air-activated warmer that are larger and last longer than standard Grabber Hand Warmers. They provide up to 18 hours of continuous warmth for the hands and body. It is the perfect addition to pack for hunting and hiking trips.

• Ready to use
• Air activated
• Safe, natural heat
• Heats up 15-30 minutes after opening
• 2 times bigger than the standard hand warmer
• Safe to dispose of with regular garbage
• TSA approved
• Average Temperature: 135 °F (57 °C)
• Maximum Temperature: 158 °F (70 °C)
• Ingredients: Iron, water, vermiculite, charcoal, polymer & salt