SPECS:

• Dimensions: 2” x 3.7”
• Weight: 0.1lbs
• Materials: iron, vermiculite, salt, other natural materials
• 98% biodegradable; contents inside warmer sack can be composted after use

DESIGN & DETAILS:

• Air-activated design
• Perfect to keep in your car, use for emergencies, or keep you comfortable on cold-weather excursions
• Enjoy up to 10 hours of heat from each warmer (2 inside each pack) to stay toasty on your chilly adventures
• For fast heat, remove the warmer, shake it, and enjoy industry-leading heat output in about 5 minutes
• For prolonged all-day heat, remove the warmer, shake it, and put it back in its pouch
• Heat from natural minerals and oxygen is safe and comfortable
• Compact and portable design
• Resealable and reusable temperature regulation envelope allows you to save one hand warmer for the next day