With a gas spring X-Lift Structure comprised of flat cross-members, the sit-stand desk converter with a keyboard tray provides a refreshing ergonomic sit-to-stand experience for users. Stand up and say goodbye to back pain and neck pain from now on. High-quality gas spring provides effortless movement. Equipped with an easy-to-use squeeze handle for smooth and stable height adjustments from 115mm to 500mm. The two-tier design provides plenty of worksurface for daily work. The 800 X 400mm (31.5 X 15.7) particleboard surface with straight edges and rounded corners delivers affordability and minimalist addition to any room decor. Plenty of space for monitors, a keyboard, and a mouse or use the lower tier for a laptop. Additional features include a rear grommet hole for a monitor arm and non-slip pads that keep the converter in place while protecting against surface scratches. Large solid base ensures it stays sturdy and stable at any height. Eco-friendly particle board features heavy-duty and moisture resistance.