This computer adjustable desk extender is for creating ergonomic workspace. The keyboard lifter allows you to raise your keyboard to a comfortable height, reducing strain and improving typing posture. The slide-out design makes it easy to store the tray when not in use. Features -Color:Assorted Color -Material:Aluminium alloy, ABS -Size:52.50X23.00X3.00cm/20.63X9.04X1.18in -Multiscene application: suitable for use in offices, homes, and other environments, offering great versatility -Ergonomic design: adjustable support designed to promote ergonomic comfort and improve posture -Attractive design: the sleek appearance enhances the look of any desk setup -selected material: built with Sturdy materials that are easy to clean, ensuring longevity -Practical pen holder: features a builtin pen holder for easy access to stationery and small objects Package list: 2 x sets of computer keyboard stands