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Amazon.com : 8 PCS Trifold Poster Board- Large 40" x 28" Tri Fold Display Board Hard & Thick White Presentation Cardboard for Science Fair, School Projects, and Business Presentations Supply : Office Products
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Amazon.com : 10 Pack Presentation Board Trifold Poster Board Tri Fold Display Board Foldable Project Paperboard with 10 Sheets Letter Sticker 3 Rolls of Double Sides Adhesive Tape (Green,28 x 40 Inch) : Office Products
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