High Quality Material:The Sink Stopper is made of high quality stainless steel and brass, which is strong, rust resistant, crack resistant and resilient. Equipped with thickened silicone gaskets, integrally formed to effectively prevent rust and corrosion caused by domestic sewage and oil stains. Built-in filter:Different from traditional drain pipes, has an anti-clogging basket filter inside, which can collect hair and prevent the drain pipe from clogging, providing effective filtration different from pipes ordinary button drains. Suitable for bathtubs, bathrooms and kitchen sinks etc. Pop-Up Valve:The Sink Plug with a pop-up design can prevent sewer sticking and prevent special odors. The rebound design is very convenient, you can change the Sink Plug by pressing the valve, so you don’t have to worry about sealing and draining. Two silicone seals can maintain stability and improve sealing performance. Easy to install:Sink Plug can be easily installed with bare hands without tools.