Contoured worksurface and monitor shelf. Includes both casters and floor glides. Molded side panels hide computer cables for a clean appearance. Durable powder-coated steel frame. 3/4" melamine laminate worksurface and shelves. Keyboard shelves extend 9-3/4" and retract under the worksurface when not in use. Mobile on four casters, two locking. Worksurface W x D: 29-1/2 x 19-3/4", Keyboard Shelf W x D: 23 x 13-1/2". Some assembly required.