Eco Brites 27367B Too Cool Tri-Fold Poster Board, 24 X 36, White/white - Walmart.com
Pacon Single Wall Presentation Board - 48" Height x 36" Width - Blue Surface - Tri-fold, Recyclable, Corrugated - 24 / Carton - Yuletide Office Solutions
Make a Science Fair Board that Your Kids Can Use Over and Over
Office Depot
Mini Calendar Display (Trifold Presentation Board) by The Blue Brain Teacher
BAZIC Tri-Fold Corrugated Presentation Board - Black 36" X 48" - Bazicstore
Amazon.com : Black Tri-Fold Presentation Board 36" x 48" Corrugated Tabletop Display Exhibition Board Lightweight and Portable with Smooth Surface Great for School Projects and Business presentations - by Emraw : Office