Nobo Widescreen 70 inch Whiteboard Nano Clean Magnetic Steel 1550x870mm Ref 1905299 The Nobo® Widescreen Nano Clean™ Whiteboard will get your ideas noticed! The widescreen format and contemporary frame provide an expansive writing surface and the spacious pen tray sits below the board without encroaching on the board. The InvisaMount™ system makes installation easy and fixings are neatly concealed behind the board. Size: 70. The magnetic steel whiteboard surface with Nano Clean™ surface technology - exclusive to Nobo® - delivers an increased level of erasability for frequent use.