Q: Is the magnesium fire starter made by doan
A: No, this is a product made by Mil-Com.
Q: Is it water proof ?
A: Yes it is.
Q: how long does the magnesium last?
A: There's no specific guideline, but it is likely to last a very long time.
Q: How many times can this be used?
A: Hundreds, if not thousands, of times.