Built-in filterUnlike normal drains with push buttons, this drain has a clog-free strainer that neatly collects hair and prevents the drain from clogging, things that don't go into the drain, such as jewelry, ring, dirt and so on.< br>High-quality materialThe drain plug is mainly made of high-quality stainless steel and brass materials, rust-proof, tear-resistant, integral molding. Good bounce and rebound resistance, quickly seals and drains water with a single press. Pop up drain fittingThe pop-up design turns traditional, uncomfortable sink stoppers (like the basic stopper with chain) on their head! Simply press the top cover to switch between 2 modes - plug (to keep water in) and strainer (to drain water). Fits 33mm~38mm diameter drainsPlease note that it is not for All sizes of drains are suitable. This bathroom sink stopper is only suitable for drain holes with an inner diameter of 1.32~1.49 inches. Warm tip: Do not buy if your bathroom drain diameter is smaller than 1.32 inches. Easy Installation Sink plug Suitable for all common sinks and vanities.Replace or install drain valve quickly and easily without tools.Good for kitchen and bathroom.If If you want to use it for larger sink hole diameters, you can use the included rubber ring to increase the inner diameter of the sink plug.