Heat Factory Foot Warmers work with pocket socks or heated foot beds and stay warmer for up to six hours. Foot Warmers are designed for use in environments with restricted air-flow such as a shoe or a boot.
- Each Foot Warmer provides up to 6 hours of instant long-lasting heat
- Safe, non-toxic and odorless heat warmers are pre-mixed with a biodegradeable mixture of ingredients that heat when exposed to air
- Foot Warmer is designed to fit inside the Heat Factory Footbed and Heat Factory Pocket Socks (sold seperately)
- Unopened, the Foot Warmer has a shelf-life of three years or more
- Foot Warmers proudly made in the USA