Designed to promote better ergonomic positioning of your notebook by improving the viewing angle. Helps maximize comfort & productivity by elevating the notebook. Includes center mounted LED blue illuminating cooling fan to keep the notebook from overheating & includes 4-port USB hub. Made of durable acrylic plastic with non-skid base. Deluxe Concave Aluminum Riser. OEM / Compatible: Compatible; Workstation Type: Mobile Workstation; Traditional Desk / Table; Width: 12.25"; Depth: 11.5".