Fellowes Literature Organizer, 48 Letter Size Compartments, Medium Oak (25083) Convenient 48-compartment sorter keeps letter size sales literature, mail, forms, or other items organized. Features sturdy laminated particleboard shell and 200 lb. tested corrugated divider system with self-adhesive labels for easy file identification. Compartment dimensions: 2-1/2H x 9"W x 11-5/8"D.