The Bathroom Vanity Light shade is made of high-grade K9 crystal, which are highly refractive and sparkling, enhancing the overall beauty of the fixtures. The base is made of sturdy and high-quality metal, corrosion and moisture-resistant, sturdy, and durable. We love that you can install this vanity light facing up or down depending on your preference. The E26 base accents are classic and timeless with a vintage aesthetic. Fully dimmable with a dimmable bulb and compatible dimmer switch (note: bulb and dimmer are not included).