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Foam Core Backing Board 3/16" White 20x30- 50 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects - Walmart.com
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Amazon.com : Foam Board, Foam Board 20x30, Black Foam Board, Presentation Foam Board, Acid Free Mounting Board, Foam Core (10) : Office Products
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