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. Click-clack function: Thanks to the pop-up mechanism, you can open and close your new bin with just one click. No more worries with stuck and leaking drain plugs. Strong structure: Heavy duty construction drain valve, solid brass compression spring, which has good rebound and rebound resistance, seals water quickly and let it flow with just one squeeze. 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 restrooms such as restaurants, restaurants, bars and hotels. This drain tap sets the highest standards in terms of design and innovation and fits harmoniously into every washbasin, sink, sink and sink cabinet without overflow. Quantity delivered: 1 piece