The storage shelf unit is made from high-quality materials, including a solid oak frame and durable laminate shelves for lasting durability and style. It has an open back design with 20 inches of vertical height per shelf, offering plenty of room to store larger items such as books, decorative pieces, and personal belongings. It's available in different finishes with your choice of color for the shelves, Urban Walnut and Gray shown. Quality backed by a limited lifetime warranty.