Magnetic Glass Dry-Erase Board Set - 17 3/4" x 23 5/8" - Includes Board, 2 Magnets, and Aluminum Marker Tray Express yourself - our smooth glass surface is perfect for dry erase markers Erase effortlessly - our boards clean easily with one swipe and resists ghosting and staining Installs easily - includes full size template, solid metal mounts and quality wall anchors Peace of mind - each board comes with lifetime warranty and U.S. based customer service Please note: Only Glass Rated magnets are strong enough to stick on these boards.