Shelves of adjustable literature organizers form 9" wide x 11-1/2" deep x 2-1/2" high letter-size compartments with solid fiberboard back. Strong hardboard shelves have a 15 lb. capacity and adjust in 2-1/2" increments. Black plastic molding serves as a labeling system. Labels included. 39-3/8" wide units stack up to three high. The 16-compartment literature organizer stores CDs in a special setup on bottom shelves.