【Material】The black top sink drain kit without overflow - Quality brass material, it is durable, not easy to rust. The materials we have been using for a long time are harmless and environmentally friendly, suitable for sinks without overflow. It installs in just a few steps, without tools! Easy to open and close. 【Click-Clack Function】With the pop-up mechanism, you can easily open and close your new basket with just one click. No more worries about blocked and leaking sink plugs. 【Sturdy Structure】Drain valve for sturdy construction, solid brass compression spring, providing good bounce and rebound resistance, sealing and quick water drainage with one push. Brand new and high quality pop-up drain plugs with overflow hole. 【Wide Application】This sink drain without overflow is not only suitable for family use, but also for various bathrooms and toilets such as restaurants, bars, and hotels. This drain valve sets the highest standards in design and innovation and blends harmoniously