Fits popular bathroom sink styles: This product is upgraded version, fits for basin drain hole range from 1.10" to 1.49", include 1.25" U.S. Standard bathroom basin drain Hole. Easy to install: It’s only need 2 step to install the stopper and no tools needed. Because of its simple structure, just take out the old one and insert the strainer core to complete install. Anti-clogging: This Stopper has an anti-clogging basket inside that neatly collecting hairs and prevents the drain from clogging up,stuff will not get into the drain, such as jewelry, ring, dirt and so on. High-quality materials: The drain stopper is mainly made of quality stainless steel and brass materials, anti-rust, anti-cracking, integral molding. Good bounce and rebound strength, quickly seal and drain water with a single press. Leak-proof: There are two silicone ring as a complementary, one is already on the stopper, the backup one has a bigger size to perfect match your drain hole. No worry about rust, cracking, corrosion or leakage.