Flying-Board Black Glass Dry Erase Board, 45cm*60cm, With 1 Marker, 2 Strong magnets and Adjustable Marker Tray 15 year warranty,will not stain, ghost, scratch or dent Must use strong magnet! The glass board surface is perfect for white dry-erase markers. Easy installation with solid metal mounts and quality mounting hardware included. Provide 1 Marker with eraser, 2 Strong magnets and Adjustable Marker Tray