Quartet Motion Cubicle Whiteboard - 24 (2 ft) Width x 18 (1.5 ft) Height - White Melamine Surface - Black Plastic Frame - 1 Each Board is made of lightweight foam for tacking and a stain-resistant writing surface. Each lightweight board includes convenient built-in accessory tray that contains one Quartet dry-erase marker and one eraser. Built-in swivel hangers attach on top of most surfaces (cube panels filing cabinets and more).