Gain storage with a modern look with the Hollowcore 4 Cube Square Bookcase. This shelf has an eye catching geometric design.From at home to the office the Hollowcore 4 Cube Square Bookcase provides stylish storage. Add this bookshelf to the office for storing books or as display space in the living room. The open top shelf can also be used as display space. These shelves are made of hollowcore board and melamine. Four cubbies offer plenty of storage.