Lightweight and smooth foam display board is sturdy and self-standing. Size is 36 in. x 48 in. open and 36 in. x 24 in. closed. No need to measure, draw or erase lines. Pre-printed, faint gridlines allow for perfect placement of photos and letters. Gridlines are easy to see up close, but appear to fade at a distance. Great for science fairs, school projects, business presentations, charts and graphs. Smooth surface is perfect for use with paints, markers, and other embellishments.