Experience a new dry-erase solution with the Nano-Clean? Dry-Erase Board. This one-of-a-kind surface is sealed at the nano level. Nano particles fill voids on the board?s surface to prevent ink from staining or ghosting. Durable board delivers top notch performance in heavy use environments. The magnetic surface offers equal functionality for smooth writing and posting of printed materials. Frame is sturdy and stylish. Mount vertically or horizontally with the included hardware. Attached marker tray provides convenient storage for accessories. One Quartet? dry-erase marker is included.