Quartet Whiteboard/Dry Erase Board, Magnetic, 6'x4', Fusion Nano-Clean, Black Aluminum Frame (NA7248FB) Experience a New dry-erase solution with the Fusion nano-clean whiteboard; this one of a kind surface is sealed at the nano level; nanoparticles fill voids on the board surface to prevent ink from staining or ghosting for an always nano-clean whiteboard Features a 25 year warranty and is able to deliver top notch performance in extremely heavy use environments; protected by nano-clean technology; surface is magnetic to offer equal functionality for smooth writing and posting of Printed materials Board surface is recessed from the black aluminum frame to deliver a fresh, clean look; marker tray and 1 Quartet dry-erase marker also included 6' x 4' in size the whiteboard can be mounted vertically or horizontally with included z-bracket mounting hardware; made in the U.S.A.