A-Tube Nano is a suspension lamp . The structure is in aluminum; while the diffuser is in transparent methacrylate. L and you are different finishes , glossy (chrome, rose gold and gold) or opaque (white, black, champagne) allow you to create suggestive compositions on the canopy ( the lamp must be installed on the canopy to be ordered separately ). The lamp is also dimmable through the Dim Triac system.