Board Dudes 24"x36" Aluminum Framed Porcelain Dry Erase Board (17293UA-1) Porcelain writing surface is your most durable finish Doubles as a bulletin board - use magnets to post notes or documents 1 and 1/4" 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.