Boards bulletin quartet? tack & write? board. Ideal for cubicle workstations. Mounts to dry-wall or fabric-panel walls. Dry Erase Marker Board?Narrow black foam surface at bottom of board. Board Type: Dry Erase; Board Width: 25.5 ; Board Height: 17.5 ; Surface : Foam/Melamine. This Quartet tack and write board 23 1/2 x 17 1/2 black/white surface black frame is a great boards bulletin item at a reduced price under $50 you can t miss.