Organize with design! Tub files in contemporary steel mesh design hold letter size file folders (not included). Perfect for the office the filing system has a lower shelf (12"W x 22-3/4"D) for additional storage requirements. The file tub is available in two styles: the open Top, model 5350 or model 5351 file that includes a locking top that slides out of the way, two keys included. Mobile on four swivel casters (two locking).