1. Design for Standard SizeConsist of a stainless steel drain and a flexible p trap, the bathroom sink drain kit fits for 1-1/4 inches or 1-1/2 inches PVC drain pipe. Please be sure to measure the diameter of the drain hole before purchasing. 2. No Need Tools to InstallDue to simple construction of the Pop-Up Drain Stopper Kit, anyone can install this sink pop-up drain by hands. Remove the old bathroom sink drain and follow the installation instructions, only need 2 or 3 minutes can finish the installation. 3. High-Quality MaterialsThe pop-up drain kit is made of anti-explosion-thickened stainless steel and high-quality ABS. upgraded design with integrally molded, which is combined with the pop-up sink drain and expandable flexible drain pipe tube. Take a look at your bathroom sink drain! Say goodbye to your old leaks and clogging and ugly sinks. 4. Anti-Clogging and Anti-odorThe Bathroom Sink Drain Kit is contained with an anti-clogging basket filter that collects hair and fines and keeps your sink drain from clogging. Inner part equipped with an anti-odor core to block the odor and deodorize effectively.