Create self-standing displays for school projects or business presentations with Tri-Fold Display Boards. This sturdy foam display board helps add professional polish to your work. It folds for easy storage and features a smooth white surface that is perfect for markers, paints, and adhesives. Elmer’s Tri-Fold Display Board is 100 percent recyclable and provides a convenient foundation for any presentation. Art Board Type: Tack Display Board; Material(s): CFC-Free Polystyrene Core; Color(s): Black Surface/Black Core; Board Size (W x H): 24 x 36.