Reliable Design: Based on a simple pop-up switch design function, the sink drain can be closed or opened instantly. No more clicking on plugs PREMIUM QUALITY MATERIALS: Made of stainless steel and brass with a chrome finish to effectively prevent corrosion and rust, including silicone gaskets that prevent leaks water. Easy installation: thanks to its simple and practical structure, the sink filter can be completely installed in a few steps without additional tools Universal: fits most sinks 41-53mm in diameter, standard installation size 1 , suitable for kitchens and bathrooms. Please pay attention to the installation size of the sink before installation. Easy to clean: You can easily unscrew the upper pressure cap from the sink stopper and clean it with a cloth.After use, try to dry the surface as much as possible to avoid scaling.