20x24 Backing Board

Backing Board is used for backing matted prints, photos, pictures or other artworks that need some additional support.  Thickness: 4-ply Made with chipboard in the middle  Both sides are White.

16x20 Mat for 20x24 Frame - Precut Mat Board Acid-Free

Set includes: 5 16x20 Assorted Color Mats, 5 Backing boards, & 5 Clear Bags The mat opening size is 10.5x13.5 for 11x14 print & it's 4-ply thick (about 1.4 mm or 1/16 inch). NOTE For Mats: Each order may vary / comes in Random Colors. Backing Board Color is White on both sides. The clear bag has re-sealable adhesive strip below the opening of the bag instead of on the flap.

Golden State Art, Pack of 5 Mixed Colors Pre-Cut 16x20 Picture Mat for 11x14 Photo with White Core Bevel Cut Mattes SETS. Includes 5 High Premier

Golden State Art,20x24 White Backing Board with Browncore

CustomPictureFrames.com 20x24 Frame Natural Brown Picture Frame

20x24 Backing Board

Foam Board

Golden State Art, Pack of 10 of 20x24 White Pre-Cut Acid-Free whitecore mat for 16x20 + Back+Bag

20x24 Wood Framed Lighted Enclosed Cork Board Display Case 3 Inch

This Frame Mats item by ArtAndPhotoFraming has 7 favorites from shoppers. Ships from Loveland, CO. Listed on Nov 5, 2023

20x24 Mat Board 20 X 24 Picture Frame Matboard for Any Size Photo