A. Under Desk Extension Board Mouse Tray Home Office Clamp On Platform Ergonomic B. 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. C. Desk Extension: Extend your desktop with a large under desk mouse tray clam on, set up a suitable height for your elbows and body position, helping to reduce stress from carpal tunnel, shoulder, and back. D. 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. E. 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. F. Material: Plastic material, reinforced bottom, sturdy and durable, with smooth edges, safe and practical to use. G. Specification: Material: Plastic Color: Black, White Size(LxW): About 250x195mm/9.84x7.68inch Suitable desk board thickness: Below 6cm/2.36inch H. Package includes: 1pc x Mouse Tray 1pc x Clip I. Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.