Sold by the linear yard.
DBM 1208-60 Double Bias +45-45 w Ltwt Mat is 12 oz/sq. yard of diagonally stitched fiberglass yarns with the 8 oz/sq FOOT mat stitched on as well. There is no binder in this fabric so you can use epoxy, vinylester, or polyester resin. This stuff is strong! Price break at 20 yards and full roll(85-90 yards).