Slip these inside your gloves to enjoy up to 12 hours of warmth. Open the outer envelope to expose the contents to air, and it produces heat without fumes or flames. A brilliant addition to an ice climbing setup or any stop-and-go winter activity.
- Includes 24 warmers
- Each warmer lasts up to 12 hours
- Place them in an airtight container to pause the oxidization process, and use the remaining heat within a few days
- Contents are non-toxic and biodegradable, contains iron powder, charcoal, salt, sawdust, and vermiculite