Mainstays 6-Cube Storage Organizers feature compartments that are perfectly sized for displaying books . collectibles . photography . artwork and more. They are also compatible with Mainstays collection of 10.5" x 10.5" collapsible storage bins (sold separately). The stylish design includes three open-back cube compartments that make managing cords easy . and three closed-back compartment to keep displayed items securely housed. The top panel and middle shelves can each support up to 22 pounds . and bottom panel can support up to 33 pounds. This easy to assemble storage shelf is available in multiple finishes to fit in with almost any decor. Add an accent piece that is as functional as it is fashionable to your living room . family room . den . home office and more . with the Mainstays 6-Cube Storage Organizer.