Don't suffer in the cold. Just open a Heat Factory® Heat Pack and get toasty! They're all compact and safe. Activated when opened. Just use them for hours and then toss them out.
- Generates heat when exposed to air
- Up to 3-year shelf life in unopened package
- Up to 6 hours of heat time when opened
- Comes with 12 pairs
- Dimensions are 2.75" x 2.38" each