Four doors for a 31 1/2" width x 11" wide x 79 1/2 high Billy Bookcase by Ikea. Aluminum frame with glass doors. There are interchangeable white or black panels to match your décor. You can also get creative and slip photos, art, wallpaper, craft paper or art that you like to adorn the panels and match your style. Ikea model number 302 797 55 called Morliden. $80.00 for the set. In good condition. Brand new these would cost $120.00.