The Compact Desk Top Organizer is a 29" literature sorter that includes a fixed letter-size shelf and two added 17" W x 11 1/2" D sorting shelves. With four plastic slide-out trays, the desk organizer shelves and dividers are fully adjustable. The furniture-grade, compressed wood cabinetry with melamine finish features a privacy backing with cable cutouts for easy access. Quick and easy assembly with cam-lock fasteners.