Durable, contemporary mesh provides stylish yet practical organization. Convenient letter size file cubes slide easily on powder coated steel channels. Top shelf offers additional storage. Four swivel casters, two locking, for mobility. Fits neatly under your desk or worksurface. Collapsible cubes make assembly a snap. Color(s): Black; Width: 15 1/2 in; Depth: 17 1/4 in; Height: 27 1/4 in.