Nano Clean Classic - Whiteboard. The Nobo Whiteboard Steel Nano Clean captures your thoughts! With its very slim frame, it offers a larger writing surface. The pen tray, which has plenty of space for accessories, keeps the board visible at all times. The InvisaMount mounting system allows for easy installation and disappears invisibly behind the whiteboard. The magnetic steel whiteboard with exclusive Nano Clean surface technology is easy to clean and suitable for regular use. 15-year warranty. Magnetic steel surface with Nano Clean surface technology, suitable for regular use. Easy to clean; resistant to stains, marker traces, scratches, and dents. The Nano Clean surface technology provides better erasability than painted steel. High-quality anodized aluminum frame with a removable pen tray. InvisaMount fasteners for easy and invisible wall mounting are included. Mounting can be done in portrait or landscape orientation. A Nobo marker is included in the package.