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Amazon.com : 20Pack Foam Boards, 11"x14" Foam Core Backing Board White, 1/8" Thickness Mat Boards Poster Boards Polystyrene Poster Board Signboard Perfect for Presentations, School, Office & Art Projects : Office Products
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Foam Core Backing Board 3/16" White 1 Side Self Adhesive 8x10- 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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