Contemporary/Modern 5 tier leaning wall bookcase ladder, each shelf has 3 sides with 20-inch width and raised lip 2-inch heightOverall size measures 21 5/8-inch width, 14 inches depth and 70 inches heightThe shelf depths from top to bottom is 6, 8, 10, 12 and 14 inches, the distance between each shelf is 13 inchesThe leg is 2 5/8-inch width and 11/16-inch thickness, the 3rd leg under the biggest tray for extra support, the screw on the top tray can be connected to the wall to hold the shelf not to moveMake your space your own with this ladder bookcase, perfect for putting framed photos, artful accents, or a collection of novels proudly on displayAssembly required, easy to assemble