Size: 20cm * 20cm. Lightbulb Base: E27 (Lightbulb not included). Unlike other lampshades, this wire basket ceiling pendant is made of the highest quality materials. The ceilings of the lampshades are galvanized and will not rust. It is also a very temperature-resistant pendant light that is compatible with all types of light sources (up to 40W). Chandelier is suitable for hallways, stairs, night lights or reading lamps in the bedroom, headboard, etc.