Product details:

Maintain proper posture and ergonomics while you work with the Mount-It! Use the lever beneath the worksurface to adjust the tabletop to a comfortable height, and secure the locking casters in position. This sit-stand desk rolls smoothly over hardwood floors and carpets for easy maneuverability, and provides ample room to work at your laptop. Thanks to the slot on the tabletop, you can easily prop up your tablet whenever it's needed. Crafted with steel and aluminum for strength. 27-1/2" top surface. Gas-spring lever raises and lowers the tabletop from 29" to 42". Tablet slot with 3 cable holes. Bag hook on the base. Wide base with 4 locking casters. Assembly required.