Lorell 6-Shelf Adjustable Bookcase, 36 by 12 by 72-Inch, Mahogany Bookcase features soft radius corners, a veneer finish, and solid hardwood construction Solid, 3/4" thick shelves are adjustable on 1-3/4" centers with pinhole attachments Bookcase has a laminated finish on the back's interior and an unfinished back side