Material: Black sink drain without overflow made of high quality brass, they are durable and not easy to rust. All materials can guarantee the quality. The materials we have been using for a long time are harmless and environmentally friendly. Easy installation: Black sink drain is suitable for sinks without an overflow. Sink plug with standard G1 connection, perfect for all commercially available sinks. Can be installed completely without tools in just a few steps Easy to open and close. Smooth push-button operation with watertight seal. water. Click-clack function: thanks to the pop-up mechanism, you can open and close your new bin with just one click. No more worries about stuck and leaking diverter caps. Solid structure: heavy duty construction drain valve, solid brass compression spring, which has good resistance to rebound and rebound, quickly seals water and lets it flow out with one push.Brand new and high quality pop-up drain plug quality with overflow hole. Wide Application: This drain faucet is not only suitable for families but also for various bathrooms and restrooms such as restaurants, bars and hotels. established drain t the highest standards in terms of design and innovation and fits harmoniously into every washbasin, sink, sink and sink cabinet without overflow.