Material: Black basin 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 basin drain is suitable for sinks without overflow. Sink plug with standard G1¼ connection, perfect for all commercially available sinks. Can be completely installed without tools in just a few steps! Easy to open and close. Smooth push-button operation with water-tight seal. water. Clic Clack 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 sink plugs. Solid Structure: Heavy duty construction drain valve, solid brass compression spring, which has good rebound and rebound resistance, quickly seals the 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 valve is not only suitable for families but also for various bathrooms and toilets such as restaurants, bars and hotels. This drain valve sets the highest standards in terms of design and innovation and fits harmoniously into every washbasin, washbasin, washbasin and sink cabinet without overflow.