For indoor use only. Unique powder coated process that combines the rich appearance of natural hardwood with the rugged and enduring qualities of extruded aluminum. Units are made of custom extruded parts engineered to provide accurate, durable and handsome cabinets. All corners are neatly mitered and assembled with heavy duty reinforcements and fasteners. Lockable doors are mounted with a full length piano hinge and feature acrylic safety glass windows. Natural pebble grain cork Non Illuminated Concealed mounting brackets are provided.