It's a permanent mark
Sharpie good brand. My parents use in there business to write on stock. Longevity is hard to determine and workers don't care things( don't use and cover back). All in all a good product
December 14, 2013
Excellent for commercial applications
May 11, 2013
Just what I wanted
Sharpie is a Sharpie No need to review?
April 23, 2013
Great Product. Use them regularly.
March 9, 2013