Home Basics Open and Enclosed Tiered 6 Cube MDF Storage Organizer, OakSix cubes square off to bring you a conveniently compact storage unit for displaying and storing your everyday belongings and essentials. The shelving unit has a tiered silhouette with 2 open cubes and 4 cubes with back panels. Configuration of the unit is flexible allowing you to set it up in a horizontal or vertical format to fit in to your space. Place your most precious family photos or add a small vase of pretty peonies along the flat top to add