Presentation boards are tri-fold, single-wall corrugated display boards used for projects, booths, science fairs and all types of displays. Boards have a smooth, flat, uniform surface to accept many types of medium. Colored on the front side and Natural Kraft on the back. Board size 48" x 36" folds to 24" x 36" . Assortment contains: Blue, Green, Yellow and Red. Recyclable.