Office Depot Brand Tri Fold Display Foam Board 36 x 48 White - Office Depot
BAZIC Tri-Fold Corrugated Presentation Board - Assorted Color 36" X 48" - Bazicstore
Elmer's Premium Foam Tri-Fold Display Board, 3/16 Thick, 36" x 48", Black, Single - Walmart.com
Staples® Tri-Fold Foam Presentation Board, 4'x3', Black (902091) | Quill.com
Amazon.com : Trifold Poster Board 36" x 48" White Presentation Board Science Fair Display Boards - for School, Fun Projects and Business Presentations - by Emraw : Office Products