Mat Board Center, Pack of 10, 18x24 for 13x19 White Photo Picture Mats - Acid Free, 4-ply Thickness, White Core - for Pictures, Photos, Framing

Acid-Free Custom Cut White Photo Matboards 18x24 mat pre-cut for 13x19-inch pictures, photos, and artworks Mat Opening Size: 12.5 x 18.5 White Core,

Mat Board Center, Pack of 10, 11x14 for 8.5x11 White Color Mats

Mat Board Center, Pack of 10, 18x24 Uncut White Color

Mat For 18x24 Picture

Mat Board Center, Pack of 10, 18x24 for 16x20 White

Mat Board Center, Pack of 10, 8x8 for 4x4 White Photo

Acid-Free Custom Cut White Photo Matboards 18x24 mat pre-cut for 13x19-inch pictures, photos, and artworks Mat Opening Size: 12.5 x 18.5 White Core,

Mat Board Center, Pack of 10, 18x24 for 13x19 White Photo Picture Mats - Acid Free, 4-ply Thickness, White Core - for Pictures, Photos, Framing

Mat Board Center, Pack of 10, 18x24 for 13x19 White Photo Picture

Giftgarden Poster Frames Picture Photo Frame Set for Wall Decor

13x19 Mat

Mat Board Center, Pack of 10, 18x24 for 16x20 White

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.

10 of 18x24 White Pre-Cut Acid-Free Whitecore Mat for 13x19 + Back+Bag