Construction Expertly crafted of mirrored glass with an MDF backing. MDF is an engineered wood that lends exceptional strength and ensures the product’s structural integrity over time. Mounting hardware included. Contract Grade: Thoughtfully designed and expertly engineered to meet rigorous testing standards and best practices from select ANSI/BIFMA testing protocols. Imported. Care Clean with a soft, dry cloth. Do not use abrasive or strong chemical household cleaners.