Mainstay No Tools 6-Cube Storage Shelf Includes Four Shelves Capable of Housing Cubes, Books, Decorative Items and More - Holds Storage Cubes - No Tools Require for Assembly (Black Oak) This 6-cube shelf is suitable for use in nearly any room of your home to organize accessories and supplies. This shelf can be utilized to store books and accessories and to showcase photos. Stable and attractive. This 6-cube is literally fit perfectly as there are no gaps between the sides. The shelf is very sturdy and super easy to put together.