Lorell Sit-to-Stand monitor riser, black Designed for 2 monitors or a monitor and laptop Adjustable, ergonomic keyboard tray Adjust desk Riser to 5 heights to sit or stand as you work Ready for use - fully assembled. Height: 16 inch, Width: 32 inch, Depth: 21.5 inch Sturdy steel frame construction with durable medium-density fiberboard/wood work surfaces