Material: High quality black brass sink drain without overflow, they are durable and not easy to rust.All materials can guarantee the quality.The materials we have used for a long time are harmless and environmentally friendly.Environment.Easy Installation: The black sink drain fits into the sink without overflowing.Sink with thick standard G1, perfect for any standard sink.Completely assembled in just a few steps!Easy to open and close.Smooth push-button operation with tight closure.Click-clack function: Thanks to the pop-up mechanism, you can open and close your new trash can with just one click.No more worrying about stuck and leaking withdrawal caps.Strong Structure: Drain valve in sturdy construction, solid brass compression spring, which has good dagger storm and recoil resistance, seals water quickly and allows it to drain away.39;flow with pressure.High quality pop-up drain plug with overflow hole.Wide Application: This drain valve is not only suitable for families, but also for various bathrooms and toilets such as restaurants, bars and hotels.This outlet fitting sets the highest standards in design and innovation and fits harmoniously into every washbasin, sink, sink and cistern without overflow.