AVF - ECO Double AV Component Shelving System (Black) ES250B-T is designed for use with DVD players, HD recorders, cable boxes and other AV equipment. Shelves are constructed out of tempered glass and are height adjustable. It saves space and neatly organizes. Great for use in combination with any Flat Panel TV Mount. All AVF product are manufactured & shipped using fewer raw materials and producing less waste to benefit the environment.