This bi-fold foam board is a premium quality product perfect for creating oversized cards, photo collages, signage, and school projects. Lightweight and sturdy with a smooth surface, you can use a wide range of arts and crafts supplies to create one-of-a-kind self-standing displays and works of art. Details:Folds in half for easy storageLightweightSmooth surfaceSize Information:3/16" (0.47 cm) thick9" x 12" (22.86cm x 30.48cm) closed18" x 12" (45.72cm x 30.48cm) open