Solid Structure: Heavy-duty construction drain valve, solid brass compression spring, which has good rebound and rebound resistance, quickly seals water and lets it flow out with a single press. Brand new and high quality pop-up drain plug with overflow hole. High-quality materials: Black basin drain 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 to install: Black basin drain without overflow is suitable for sinks without an 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. Easy Operation: The black sink drain without overflow has good bounce and rebound resistance, click down to save water, then click again to drain the water. You can