TOOL-FREE ASSEMBLY - Easy to assemble, no tools required, just peel the 3M adhesive strips and put together with easy-align pins STRONG and DURABLE - Maximum load 30 lbs (recommended); Placing the unit on its side or back will compromise structural integrity, use right side up! FITS 40 CDs - Exterior: D : 6.8" H : 7" W : 18.1" Interior: D : 6" H : 5.4" W : 16.5" IT'S NOT WOOD; IT'S BETTER - Made with durable zBoard recycled paperboard