The Ergo-Q 330 is a thin notebook stand with 6 positions to adjust your laptop to the right height. This notebook stand has an integrated document holder to make working with documents wherever you are easier and more efficient Up to 17" Screen Support - 0.5" Height x 9" Width x 12.2" Depth - Desktop - ABS Plastic, Rubber - Anthracite Using a notebook stand in combination with an external keyboard and mouse increases productivity by 17%. It also significantly improves sitting posture. Neck strain is reduced by 32% and comfort is improved by 21% (Lindblad, 2002). The forearms are also in a more neutral position and physical complaints are substantially reduced (Boersma, 2002). We advise working no longer than two hours a day with a laptop unless it is combined with a notebook stand with an external keyboard and mouse.