CustomPictureFrames.com Mat Board Center, Pack of 10 3/16 BLACK Foam Core Backing Boards (16x20

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Backing Board is used for backing matted prints, photos, pictures or other artworks that needs some additional support. Thickness:3/16. Both side

Mat Board Center, Pack of 10 3/16 White Foam Core Backing Boards (16x20, White)

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CustomPictureFrames.com Mat Board Center, Pack of 10 3/16 White Foam Core Backing Boards (16x20, White)

24x36 3/16 Black Foam Core Backing

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24x36 3/16 Black Foam Core Backing