Material: The sink drains are made of high quality brass, durable and not easy to rust. All materials can ensure the quality. The materials we have been using for a long time are harmless and environmentally friendly. Easy to install: The drain is suitable for sinks without an overflow. Sink plug with standard G1¼ connection, perfect for all standard sinks. Installs in just a few steps without tools! Easy to open and close. Smooth operation with a push button and waterproof closure. Click-click function: With the pop-up mechanism, you can open and close your new waste bin with just one click. No more worries about clogged and leaky drain plugs. Sturdy structure: Drain valve with sturdy structure, solid brass compression spring, which has good resistance to rebound and bounce, quickly seals the water and releases it with a simple push flush. away. Brand new and high quality pop up waste plug with overflow hole. Wide application: This waste valve is not only suitable for families, but