SOJITEK&nbsp;Heavyduty Silver Wide 18" x 11.25" Adjustable Folding Ventilated Laptop Notebook Tablets PC iPad Table / Portable Bed Tray Book Stand Heavyduty aluminum alloy can support up to 40 pounds; height is adjustable from 11.25 inches to a full height of 22 inches Available to attach Mousepad (not included) Suitable for laptops with a 19" screen and smaller / Product Dimensions: 21.8 x 12 x 1.5 inches ; 6 pounds Extremely easy to adjust to that perfect height and angle with our spring button locking mechanism Unbox it and you are ready to go! No assembly required