NPO has designed it for you with its non-scratch and non-slip silicon-coated inner surface and durable aluminum body so that you can use your 11"-17" Notebook computer. You can take the Ergonomic Notebook Stand, which you can position on your desk as you wish, out of its box and start using it with pleasure. 180° Adjustable Stand allows you to move it up/down, forward/back comfortably, thus helping you to protect your health with ergonomic working opportunity. NPO Ergonomic Notebook Stand allows you to easily rotate your screen in all directions while studying, working in your office, playing games, watching movies.