Material: made of high quality stainless steel and brass, which has the functions of anti-explosion, anti-crack, anti-rust and anti-corrosion, no water leakage phenomenon. Pop-up drain valve: The sink can prevent the sewage pipe from sticking and avoiding the appearance of a peculiar smell. It doesn’t flip over when you press the button, so you don’t have to worry about closing and draining. Quick installation: just remove the drain plug original by hand, insert our sink stopper and press the spring-loaded switch to easily close the stopper and filter. Tool-free, installation and disassembly can be completed in 3 seconds. Built-in Filter: Unlike a regular drain plug, this drain plug has an anti-clog strainer inside that neatly collects hair and prevents the drain from clogging. Objects cannot enter the drain, such as jewelry, rings, dirt without clogging the drain. Wide range of applications: drain filters are compatible with all standard bathroom sinks , the drain plug is suitable