Mat Board Center, Pack of 5, 18x24 for 12x18 White

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

Somime 25 Pack Backing Boards Only - 18x24 Uncut White

Mat Board Center, Pack of 25, 16x20 White Backing

This item comes with 10 single mats, 10 backing, and 10 bags. The opening size is 11.5x17.5 for 12x18 print + backing board + clear bag The mats are

10 of 18x24 White Pre-cut Acid-free whitecore mat for 12x18 + back+bag

Mat Board Center, Pack of 10, 12x18 Uncut White Color

Mat Board Center, Pack of 25, 18x24 White Backing

18x24 Black & Black Double Picture Mats with White

10 of 18x24 White Pre-cut Acid-free whitecore mat for 12x18 + back+bag

Mat Board Center White Color Mats - Bevel Cut Acid Free 4-ply

THIS IS FOR ONE SINGLE MAT only w/oa backing board or bag, Featuring a picture opening for a 18x24 inch photo, and a 22x28 inch overall size. Picture

18x24 Mat for 22x28 Frame - Precut Mat Board Acid-Free White 18x24 Photo Matte Made to Fit a 22x28 Picture Frame, Premium Matboard for Family Photos

Mat Board Center, Pack of 5, 18x24 for 12x18 White

Mat Board Center, Pack of 5, 18x24 for 12x18 White