Description:Space Saving: The mouse platform can be rotated 360 degree Space saving easy to use at multiple angles can be rotated under the table when not in use.Desk Extension: Extend your desktop with a large under desk mouse tray clam on set up a perfect height for your elbows and body position releasing the stress from carpal tunnel shoulder and back.For Most Desks: The Stand Steady Keyboard Tray will fit most desks that have a thickness of below 6cm/2.36inch. Tray will not work with beveled-edge desks.Easy Install: Tool free. Your mouse platform will be stuck on your desktop in seconds without damaging the existing desktop without drilling holes on existing desktops.Material: Plastic material reinforced bottom sturdy and durable with smooth edges safe and practical to use.Specification:Material: Plastic