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Foam Core Backing Board 3/16" White 1 Side Self Adhesive 8.5x11- 250 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 : 3/16" White Foam Core Boards 18x24-5 Pack. Many Sizes Available. Acid Free Craft Poster Board for Signs, Buffered Presentations, School, Office and Art Projects : Office Products
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