The AV Club Production Slate Customizable Dry Erase Clapboard 11" X11" with Black/White Sticks Made from 12mm, 9ply Baltic Birch ply for durability with " x 1-1/2" Hardwood Sticks A 1/8" sheet of clear acrylic covers the printed slate to provide a surface for using dry erase markers. Measures 11"x11"x1-1/4" deep with an 11"x8" visible slate face. Designed by a high school AV teacher to stand up to student abuse but is also suited for professional use. Made in Hutto, Texas USA