MBC Mat Board Center, Pack of 5, 11x14 for 8x10 Black Photo Picture Mat - Acid Free, 4-ply Thickness, White Core - for Pictures, Photos, Framing

Acid-Free Custom Cut Black Photo Matboard 11x14 mat pre-cut for 8x10-inch pictures, photos, and artworks Mat Opening Size: 7.5 x 9.5 White Core,

12 Pack White Picture Mats Frame Mattes with Backing Boards and Clear Bags

Acid-Free Custom Cut Black Photo Matboard 11x14 mat pre-cut for 8x10-inch pictures, photos, and artworks Mat Opening Size: 7.5 x 9.5 White Core,

MBC Mat Board Center, Pack of 5, 11x14 for 8x10 Black Photo Picture Mat - Acid Free, 4-ply Thickness, White Core - for Pictures, Photos, Framing

11x14 Mat Board

Mat Board Center, Pack of 10, 8x10 for 5x7 Color Mats - Bevel Cut, Acid Free, 4-ply Thickness, White Core - for Pictures, Photos, Framing, Ivory Turret

Mat Board Center, Pack of 10, 11x14 for 8.5x11 White Color Mats - Acid Free, 4-ply Thickness, White Core - for Pictures, Photos, Framing

Acid-Free Custom Cut Black Photo Matboard 11x14 mat pre-cut for 8x10-inch pictures, photos, and artworks Mat Opening Size: 7.5 x 9.5 White Core,

MBC Mat Board Center, Pack of 5, 11x14 for 8x10 Black Photo Picture Mat - Acid Free, 4-ply Thickness, White Core - for Pictures, Photos, Framing

The opening size is 10.5x13.5 for 11x14 print. The mats are beveled cut with white core and 4-ply thick (about 1.4 mm or 1/16 inch). The re-sealable adhesive strip of the clear bag is below the opening of the bag instead of on the flap.

16x20 for 12x16 White Mat with Whitecore 100 Pack

Mat Board Center Crescent 11x14 Black Picture Mat Sets for 8x10 Photo.

Mat Board Center Pack of 10 8x10 for 5x7 Color Mats - Bevel Cut Acid Free 4-ply Thickness White Core - for Pictures Photos Framing Ivory

Mat Board Center, Double Mat - Acid Free, 8-ply Thickness, White Core - for Pictures, Photos, Framing (Black Over White, 8x10 for 5x7, Pack of 5)