Great for use as a heat source while hunting, hiking or skiing in cold conditions, the Yaktrax Hand and Body Warmers 3-Pack feature an odorless design that is safe for the environment. Formula contains iron powder, water, salt, activated charcoal and vermiculite.

Specifications and Features:
Great for use as a heat source while hunting, hiking or skiing in cold conditions
Made of iron powder, water, salt, activated charcoal and vermiculite
Odorless design
Safe for the environment