No leaks & ; NO RUST: The black drain valve with overflow is made of high quality thick silicone, no water leaks after installation. Rust formation is effectively prevented by the matt black metal coating. Unique design: The universal waste fitting with overflow, with waste fitting, has a unique design that prevents overfilling. Solid brass impact cores have good rebound and rebound resistance, allowing water to be quickly sealed and drained with just one push. Easy installation: The universal waste set with overflow can be completely installed in just a few steps thanks to its simple and practical design.< / p> Easy to clean: The pull-out sink is easy to clean, all components can be easily removed. You can simply unscrew the top drain pressure cover and clean it with a cloth. Wide use: Suitable for installation in basins with a drain diameter of 41 to 55mm, good for kitchen and bathroom . Please pay attention to the installation size of your sink before purchasing. Classic matt black