They can be hung with the vertical sides either up or down, according to the effect you want to create. With the vertical sides up, it is like having a built in bookend. With its contemporary gray finish, they are the ideal accent for any living space. Minor assembly is required. Use these decorative shelves to make an artistic display with pieces of your prized collection, or turn the tables and use them for a utilitarian purpose. These compact shelves are made of durable, laminated MDF and fit onto small walls in kitchens to store spice jars or in laundry rooms to keep essentials close at hand. Each set comes with one large, one medium and one small shelf, with dimensions varying from 9 to 17 in. in length, so the combination looks fresh and visually appealing. The raised edges of the shelves create an architectural feel but are also perfect for keeping your objects in place. Hardware is included for easy hanging.