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Amazon.com : 25 Pack Foam Core Board 24 x 36 Inch Foam Core Backing Board Sheet 3/16 Inch Thickness Polystyrene Poster Board for Presentations Signboards Arts and Crafts Framing Display Projects (White) : Office Products
FOAM CORE 24 inches x 36 inches | 36inches x 24 inches ( 3/16" Thick) - Graphic Impact - Signs, Banners, Engraving and Apparel
3/16" Black 1 Side Self Adhesive Foam Core Boards : 24 x 36
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White 3/16" Foam Core Adhesive Mounting Boards 24 x 36 25pk MyBinding 55045... | eBay
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Foam Core Backing Board 3/16" White 1 Side Self Adhesive 24x36- 50 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects - Walmart.com