* Presentation boards are tri-fold, single wall corrugated display boards used for projects, booths, science fairs and all types of displays. All boards are either White or colored on the front side and Natural Kraft on the back. Board size 48″ x 36″ folds to 24″ x 36″. Presentation Board Headers are a corrugated header with slots for use on regular and heavyweight presentation boards. Recyclable.