16x20 Pre-cut Mat with Blackcore fits 11x14 Picture + Backing +

16x20 Mat Bevel Cut for 11x14 Photos - Acid Free Black with Black Core Precut Matboard - for Pictures, Photos, Framing - 4-ply Thickness

16x20 Mat for 12x18 Photo - White with Black Core Matboard for Frames Measuring 16 x 20 In - To Display Art Measuring 12 x 18 In - On Sale - Bed Bath & Beyond - 38872313

ONE SINGLE MAT without backing or mat bag, Featuring a picture opening for a 11x14 inch photo, to fit in a 16x20 inch picture frame. Photo openings

16x20 Mat Bevel Cut for 11x14 Photos - Acid Free Black with Black Core Precut Matboard - for Pictures, Photos, Framing - 4-ply Thickness

20x24 Pre-cut Mat with Whitecore fits 16x20 Picture + Foam Board + Bags

Golden State Art,11x14 Pre-cut Mat with Whitecore fits 8x12 Picture

THIS IS FOR A PACK of 10 Mats only w/o backing boards or bags, Featuring a picture opening for a 16x20 inch photo, and a 20x24 inch overall size.

16x20 Mat for 20x24 Frame - Precut Mat Board Acid-Free Black 16x20 Photo Matte Made to Fit a 20x24 Picture Frame, Premium Matboard for Family Photos

.com: 16x20 Mat for 11x14 Photo - Precut Soft Yellow Picture Matboard for Frames 16 x 20 Inches - Bevel Cut Matte to Display Art 11 x 14 Inches - Acid Free

THIS IS FOR ONE SINGLE MAT without backing and bags , Featuring a picture opening for a 11x17 inch photo, to fit in a 16x20 inch picture frame. Photo

16x20 Mat for 11x17 Photo - Precut White with Black Core Picture Matboard for Frames Measuring 16 x 20 Inches - Bevel Cut Matte to Display Art

16x20 Mat for 11x14 Photo - Precut Black with Black Core Picture Matboard for Frames Measuring 16 x 20 Inches - Bevel Cut Matte to Display Art Measuring 11 x 14

Golden State Art, Pack of 10 16x20 Black Picture Mats with White Core Bevel Cut for 11x14 Pictures : Electronics

Stu Art Light weight Economy Ready Mats offer a pebble textured mat with an economical way to give artwork a finished look. Mats have a folding inside border that can be folded in for trim or shadow box effect or can be removed for larger opening. Acid free. Mat size is 12 x 16 inches. Window Size is 9 x 12 inches. Does not include back.

Stu-Art Ready Mat with No Back, 9 x 12 inch Inside, 12 x 16 inch Outside, 50 Pack