Material: The bypass drain pipe is made of high quality brass, which is durable and not easy to rust. Easy to install: the drain kit is suitable for sinks without an overflow. The sink stopper with standard G1¼ connection is ideal for all commercially available sinks. Complete installation in just a few steps, no tools required Easy to open and close. Smooth button operation with waterproof seal. Click function: Thanks to the contextual mechanism, you can open and close the new trash can with just one click. There is no need to worry about the bypass plug blocking and leaking. STURDY STRUCTURE: The drain valve's sturdy structure, strong brass compression spring, has good rebound and rebound resistance, quickly seals water and allows water to drain with one button operation. new high quality pop-up drain plug with overflow hole. Wide range of applications: The drain valve is not only suitable for families, but also for restaurants, bars, hotels and other bathrooms and toilets. This drain tap sets the highest standards in terms of design and innovation and can be installed harmoniously in every washbasin, sink, sink and kitchen cabinet without an overflow.