Set Includes: 100 pieces of Crescent 8x10 Picture Mattes for 5x7 Photos, 100 backing boards, and 100 crystal clear sleeve folding flap bags.
The mat opening size is 4.5"x6.5" for 5x7 photo prints. Color: BW222 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 re-sealable adhesive strip of the clear bag is below the opening of the bag instead of on the flap.
The set is professionally Packed and Boxed to Assure that All Precautions have been made for a Save Arrival of your purchase.