Practice makes perfect. This versatile lap board can help students learn with their own individual writing surface. The dry-erase board surface is smooth and the low odor, non-toxic marker is safer for children. Student boards for classroom and home use. Durable, wear-resistant surfaces. 9" W x 12" H.Plastic.Dry erase panels.6 Dry erase lap boards.Rectangle.Size: 12" x 9"