Portable 360&iexcl;&atilde;Adjustable Foldable Laptop Notebook Desk Table Stand Bed Tray Material: magnesium and aluminum alloy Size:Expand(527X255x310mm),fold(527X255X40mm) Hight:adjustable from 0-310mm Angle:adjustable from 0-90 degree Automatically fixed joints and High intensity ABS joints,easy to conduct precise angle and height adjustment