US Art Supply® Art Mats® Brand Premier High Quality Acid-Free Pre-Cut 8x10 Black Picture Mat Matte Sets. Includes a Pack of 50 White Core Bevel Cut Mattes for 5x7 Photos, Pack of 50 Backers & Pack of 50 Crystal Clear Plastic Sleeves Bags.
Set of 50 pieces of 8x10 Picture Mattes for 5x7 Photos with 50 backing boards and 50 crystal clear sleeve folding flap bags.

US Art Supply® Brand Premium High Quality Mattes, Backers & Plastic Sleeve's.

The Opening Size is 4.5" x 6.5" for 5x7 photo prints. Color: Black

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.