The Bush Furniture Cobra Stackable Audio Rack is an ingenious solution for the modern home. This stylish audio stand features adjustable, modular components in an attractively glossy black finish, easy to assemble and fully tested for durability and stability. Features: Ships ready to assemble Back panel with wire grommets conceals cables Can be stacked with a second unit to form a 6-level audio tower Sturdy metal frame construction with durable powder coat finish Shelves made with tempered glass for additional strength and safety over flat glass Comes with manufacturer"s 1-year warranty Specifications: Overall Dimensions: 23.7" H x 23.9" W x 22.2" D Center & Upper Compartments: 7" H x 19.2" W x 19.5" D Weight capacity of 50 lbs per shelf The GREENGUARD Certification Program is internationally recognized for evaluating product emissions and certifying building materials, furnishings, finishes, and cleaning products and processes that meet stringent indoor air quality criteria defined by GEI. This product has been tip-tested and meets strict UL 1678 guidelines for load bearing. This ensures a more durable and stable product that will be safer for children and other loved ones. The American National Standards Institute (ANSI) and the Business and Institutional Furniture Manufacturer"s Association (BIFMA) work together to produce voluntary standards that provide a common basis for evaluation of product safety, durability and structural adequacy. Bush Furniture meets ANSI/BIFMA standards and is considered appropriate in quality and durability to meet the demands of commercial office use.