Portable sit-stand cart is easily movable and fosters a productive workplace/learning environment; Stable base w/ heavy-duty casters that can be locked (front only) w/ foot pedal. Rolling sit-stand desk with wheels has a large black surface (24x31.5 inch); Unassisted lift capacity of 11lb (5kg) and max static weight of 66lb (30kg); Easily wiped clean. Easily lift the worksurface of the ergonomic laptop computer desk to standing position with the one-touch lever-controlled adjustable height ranging 29 inch to 45 inch from the floor. Surface has beveled edge to relieve pressure on forearms; Lever positioned to prevent accidental height adjustments; V-shaped base for more foot room; incl. required setup tools. IT professionals choice for over 30 years; This mobile workstation is backed for 2-years by StarTech.com, including free 24/5 North America based multi-lingual tech support