Mat Board Center Brand Premium Crescent 11x14 White Picture Mat Matte Sets. Includes a Pack of 100 White Core Bevel Cut Mattes for 8x10 Photos, Pack of 100 White Backers & Pack of 100 Crystal Clear Plastic Sleeves Bags. Color Code BW222 Set of 100 pieces of 11x14 Picture Mattes for 8x10 Photos with 100 backing boards and 100 crystal clear sleeve folding flap bags. Mat Board Center Brand Premium High Quality Mattes, Backers & Plastic Sleeve's that are all Made in the USA by Crescent. The opening size is 7.5"x9.5" for 8x10 photo prints. Color: White The mats are beveled cut with white core and 4-ply thick (about 1.4 mm or 1/16 inch), The backing is white on both sides. The set is professionally Packed and Boxed to Assure that All Precautions have been made for a Save Arrival of your purchase.