Mat Inside Opening Size: 8 x 10.5 (to fit 8.5x11 certificates ) These are Acid Free matboards, Thickness: 4 ply (1.4 mm or 1/16 inch) Backing Board
Golden State Art, Complete Pack of 10, Black Pre-Cut 11x14 Photo Mat for 8.5x11 Document with White Core Matte Set. Includes 10 Acid Free Bevel Cut
AUEAR, 5 Pack Black 5X7 Bevel Cut White Core Picture
11x14 Mat Bevel Cut for 9x12 Photos - Acid Free Oyster Shell White Precut Matboard - for Pictures, Photos, Framing
Golden State Art Pack of 10 Double Mats 11x14 Core
Egofine Pack of 25 White Pre-Cut Mat Board 11x14 Picture Mat for 8x10 Photo with White Core Bevel Cut Mattes Sets. Includes 25 High Premier Acid Free Mats & 25 Backing
Wholesale Mat Boards Precut, Uncut, Custom Cut
Golden State Art, 10 Pack Acid-Free Cardboard Frames, 11x14 Slip in Mats Pre-Adhesive Mat Board for 8x10 Photos, Paper Frames for Picture Holder, Includes 10 Clear Bags, Dark Black
[8x10 White Picture Mats] White frame mats are 8x10 inches with opening sizes 4.5x6.5 inches for 5x7 inches pictures, A high-quality set of 10 pieces
Somime 8x10 Precut Picture Mats,White 8x10 Picture Mats for 5x7 Photo with White Core Bevel Cut, Acid Free 5x7 Opening Mat for 8x10 Frame(10 Pack)
ONE SINGLE MAT with Acid Free Backing Boards and Crystal Clear Self Seal Bag, Featuring a picture opening for a 9x12 inch photo, to fit in a 11x14
11x14 Mat Bevel Cut for 9x12 Photos - Acid Free Oyster Shell White Precut Matboard with Backing Board and Crystal Clear, Self Seal Photo Mat Bag - for
Golden State Art, Acid Free, Pack of 20, 11x14 White
Mat Board Center, Pre-Assembled Mat Frames with