Your students' artwork deserves a quality presentation—and these pre-cut mats from Sax have you (and your artistic masterpieces) covered. Sturdy, buffered cardboard frame (measuring 18 x 24 inches) comes in solid black with a perfectly sliced-out window middle (measuring 11-1/2 x 17-1/2 inches) and a backboard for instant insertion of your photo or art print. Clean 45-degree bevel cuts add a refined look to the corners. Uniform lines allow you to position pictures either vertically or horizontally. Backing boards have a smooth finish on 1 side and a linen-like texture on the other; note that colors of both sides may vary (Applies to backboards only). Set of 10 pre-cut mats.