These Melannco Square Shelves can be used individually or combined for a unique geometric display. They are designed to provide a practical and stylish addition to just about any room. You can place this set of black shelves on a table or hang them on a wall. The necessary hanging materials, as well as a convenient template, level and instructions, are also included. All three of these wood shelves are in different sizes and support different weights. You can use them to show off keepsakes, such as collectibles or photos.