Material: The bypass drain pipe is made of high-quality brass, which is durable and resistant to rust. All materials ensure reliable quality and are environmentally friendly. Easy to install: The waste set is suitable for sinks without an overflow. The sink stopper features a standard G1¼ connection, compatible with all commercially available sinks. Complete installation in just a few steps, no tools required. Smooth button operation with waterproof seal. Click function: Thanks to the pop-up mechanism, the drain can be opened and closed with a single click. No need to worry about blockage or leakage. Sturdy construction: The drain valve has a robust design with a heavy-duty brass compression spring, providing excellent resistance to rebound and ensuring quick water sealing and drainage with one press. Includes a high-quality pop-up drain plug with overflow hole. Wide application: Suitable for residential and commercial use in bathrooms and toilets, including homes, restaurants, bars, and hotels. This drain set meets high standards in design and functionality, and integrates seamlessly into various washbasins, sinks, and vanity units without an overflow. Note: Measurement data is manually obtained; please allow a small margin of error. Due to differences in lighting and display screens, slight color variations may occur. Actual product may vary slightly from images shown.