Audio-Visual Direct Black Glass Dry-Erase Board Set - 17 3/4 x 23 5/8 Inches - (Non-Magnetic), Beautiful glass surface is perfect for neon dry-erase markers.No ghosting or staining, and erasing is effortless. Cleaner and longer lasting than traditional blackboards. Easy installation with solid metal mounts and Alligator brand wall anchors. Includes full size template with step by step instructions