Make your Science Fair and other school projects a breeze with our durable and sturdy tri-fold presentation boards. Add Pacon Reusable, Self-Adhesive Letters and Trimmers for a beautifully finished and professional look. Presentation Boards are tri-fold, single wall corrugated display boards used for projects, booths, science fairs and all types of displays. Each board is White on the front side and Natural Kraft on the back. Board size is 48" x 36" and folds to 24" x 36". Recyclable.