Easy installation, portable and fine workmanship.Can be widely mounted on the steering wheel, passenger or back.Can be used as a desk for tablet PC, laptops, books, mobile phones, dinner, food or drink, etc.The foldable design allows for pushing it upright to against the back.Caution:Don't mount it onto steering wheel while driving.The tray should be mounted in the horizontal position.The max. of the tray is 10kg.Make sure the knobs are tight after installation.Size: about 35.5cmx23.5cmx2.2cmMaterial:ABS colour:blackPackage Contents:1 * car laptop standOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.