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Details about black cardboard form NEW BAMBOO PAPER.

Mat Board Center, Pack Of 25 Foam Core Backing Boards 3/16 (11X14, Black)

Golden State Art Pack of 10 1/16 Thickness Uncut Mat Matte Board Backing for Picture Frame White Core (5x7 Black) 5x7 (10 Pack) Black

Pack of 10, 1/16 Thickness Uncut Mat Matte Board Backing for Picture Frame, White Core (5x7, Black)

Pack of 50 16x20 Uncut Matboard 4 Ply Acid Free for Matting Photos Art, Black

Boards - Conservation Board - 050 - solid black - KLUG-CONSERVATION

Golden State Art,8x10 Black Foam Board Backing 3/16

10-Pack 8x10 Backing Boards Full Sheet for Art Prints Photos Black

White Cardboard Hard Cardboard, Cow Cardboard Backing Board

CustomPictureFrames.com Textured Black Acid Free 16x20 Backing Board - Uncut Photo Mat Board - 25 Sheets

Mat Board Center 10-Pack 11x14 Black Uncut Mat Boards/Backing Boards for Crafts Frames Photos and More 11x14 (10-Pack) Black