Board Dudes 36-Inch x 48-Inch Aluminum Framed Porcelain Dry Erase Board (17394) Porcelain writing surface is your most durable finish Doubles as a bulletin board - use magnets to post notes or documents Aluminum frame provides a modern look and increased strength Mounting system secures board to wall in four places for stability Attachable tray included for holding markers and erasers while not in use