Reliable Design: Based on a simple pop-up switch design function, the sink drain can be closed or opened instantly. No more clicking on corks! PREMIUM QUALITY MATERIALS: Made of stainless steel and brass with a chrome finish to effectively prevent corrosion and rust, including silicone gaskets that prevent water leakage. Easy installation: thanks to its simple structure and practical, the sink filter can be completely installed in just a few steps by following the instructions, no additional tools are required Universal: fits most sinks from 36 to 55 mm in height diameter, suitable for kitchens and bathrooms. Please pay attention to the installation size of the sink before installation. 'Buy. Easy to clean: You can easily unscrew the top pressure cap from the sink stopper and clean it with a rag. After use, try to dry the surface as much as possible to avoid scaling.