Made from ABS resin.[Features]・The upper surface of the duct includes a clear acrylic cover, preventing internal accumulation of dust, and making it easy to view stored components.・Optional end caps are also available (giving the unit a crisp and clean appearance), and both ends of the duct have wiring openings in the bottom to allow wiring to feed down.・Allows clutter-free storage of AC adapters and cable taps.