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 used for a long time are harmless and environmentally friendly. Easy Installation: Black sink drain is suitable for sinks without overflow. Diverter plug with standard G1¼ , perfect for all commercially available sinks. Can be installed completely tool-free in just a few steps! Easy to use open and start close. Remote operation Smooth push button with airtight seal water. Clic Clac function: thanks to the pop up mechanism, you can open and close your new trash can with just one click. No more worries about stuck and leaking drain plugs. Solid Structure: Drain valve with sturdy construction, solid brass compression spring, which has good resistance. Resistance to rebound and rebound, quickly seals water and lets it flow out with just one press. Brand new and high quality pop-up drain plug. with overflow hole. Wide Application: This drain faucet is not only suitable for families but also for household use. various bathrooms and toilets such as restaurants, bars and hotels. This drain tap sets the highest standards in terms of design and innovation and fits harmoniously into every sink, sink, washbasin and sink cabinet without overflow.