High Quality MaterialThe 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 filterDifferent from traditional drain pipes, has a Anti-clogging basket filter inside, which can collect hair and prevent the drain pipe from clogging, providing effective filtration different from ordinary button drain pipes. Suitable for bathtubs, bathrooms and kitchen sinks, etc. Pop-Up ValveThe sink stopper 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 gaskets can maintain stability and improve sealing performance. Easy to install can be easily installed with bare hands without tools. You just need to remove the original drain plug by hand, then insert the Sink Plug and press the spring-loaded switch to easily complete the installation. Tool-free installation and disassembly can be completed in 3 seconds, making life easier and more convenient. General sizeThe size of the inside diameter of the Sink Plug is 32mm, suitable for to drain holes with an inner diameter of 32 mm to 38 mm, whether it is a sink, a bathroom drain pipe or a shower tray drain pipe , it can be used with different types of sink drainage. Features: Material: stainless steel + brass + silicone Inner diameter: 32mm Applicable drain hole size: 32-38mm