Golden State Art, Pack of 25 Black Pre-Cut 5x7 Picture Mat for 4x6 Photo with White Core Bevel Cut Mattes Sets. Includes 25 High Premier Acid Free Matts & 25 Backing Backers Board & 25 Clear Bags

This item comes with the 25 pre-cut mats, 25 backing boards and 25 clear bags.

Mat opening size is 3.5"x5.5" for 4x6 print.

Color: BLACK The mats are beveled cut with white core and 4-ply thick (about 1.4 mm or 1/16 inch).

The backing board 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.