Amazon.com : 20Pcs White Foam Board 14 x 11 inch White Poster Board 3/16" Thick Foam Core Board White Foam Backing Boards for Crafts Poster Making Art Presentations : Office Products
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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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