We have been using a full size Oak Island unit for 3 or 4 years now. On occasion we get a tear, but nothing a sewing machine can't fix. I should note that it has always been caused by a patron, either intention with a knife or whatever, or a zipper or the like. I think our big unit has 4 or 5 tears in it, but like I said, nothing that couldn't be fixed by a quick sewing. I would guess it's somewhere around 100k + patrons through it.
We also purchased the Jr version this year, I would estimate 25k+ through it this year.
Operations Manager & Technical Director