Material: Black basin waste without overflow made of high-quality brass, they are durable and not easy to rust. All materials can guarantee quality. The materials we have been using for a long time are harmless and environmentally friendly. Easy installation: Black basin waste is suitable for sinks without overflow. Sink plug with standard G1¼ 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 wastebasket 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 a single press. Brand new and high quality pop-up drain plug with overflow hole. Wide Application: This