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Foam Core Backing Board 3/8" White 24x36-100 Pack. Many Sizes Available. Acid Free Buffered Craft Poster Board for Signs, Presentations, School, Office and Art Projects : Amazon.co.uk: Stationery & Office Supplies
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30 Pack White Foam Core Board 20 x 30 Inch Foam Core Backing Board Sheet 3/16 Inch Thickness Polystyrene Poster Board for Presentations, Signboards, ...
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