Your students’ artwork deserves a quality presentation and these photo mats from Sax have you (and your artistic masterpieces) covered. Sturdy double mat design measures 16 x 20 inches in a pebbled white. Window size is 10-1/2 x 13-1/2 Inches. Make photographs, artwork, collages, or crafts look refined and can be positioned vertically or horizontally. Set of 10 quality non-conservation mat boards are perfect for classroom or home displays. Made in the USA.