Presentation Boards are tri-fold, double wall corrugated display boards used for projects, booths, science fair presentations and all types of displays. Boards have a smooth, flat, uniform surface to accept many types of medium. Boards are colored on the front and Natural Kraft on the back. Assorted colors include: Blue, Green, Yellow and Red. The full display size is 48″ x 36″ and folds to 24″ x 36″.