The Ghostline tri-fold foam presentation board features a 1/2" faint grid that makes it easy to line up words, charts or graphs. The grid pattern takes the guess work out of creating a precise display, making it easy to create the perfect presentation. It's a great solution for school, home, art, and office projects. Details: White22" x 28" (55.88cm x 71.12cm)Features a 1/2" (1.27 cm) faint grid Easy to line up words, charts and graphsFoamFor ages 5 and up