Application: Ceiling trim ring can be used for light fixtures and ceiling fans at home, hotel, office, restaurant, etc Feature: The ceiling trim plate is waterproof, lightweight and easy to install Function: Ceiling medallion with its simple and modern design can bring your room to life Ceiling medallion single size: Outer diameter 25cm(9.84in), inner diameter 10cm(3.94in) Material: Made of PU(polyurethanes), the ceiling trim ring is durable