And here is what UCO has to say:
UCO Survival Matches come in a sealed case that includes 15 matches and 2 strikers.
- Compact, waterproof matches are reliable and will relight even after being wet
- Kit Includes: watertight case, 15 survival matches, and 2 strikers
- Easy lighting with the case’s integrated and replaceable striker (includes 2 strikers)
- Weight: 15g
- Up to 12 second burn time per match
All products are fully warrantied to the original owner against manufacturer’s defects in materials and workmanship for 1 year.