Use together to make a tall piece or combine with other pieces for a unique arrangement. The top section of the bookcase can be used with the corner workstation or lateral file. The bottom section can be use with the hutch. Comes with two adjustable shelves. All work surfaces are manufactured with thermofused melamine. Melamine is resistant to water, scratches and wear and is also more resistant than wood and better adapted to commercial/low-maintenance office environments.