Material: Sink drains are made of high quality brass, durable and not easy to rust. All materials can guarantee the quality. The materials we have used for a long time are harmless and environmentally friendly. Easy installation: the set is suitable for sinks without overflow. Sink plug with standard G1? 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 waterproof 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 drain plugs.Strong Structure: Heavy-duty construction drain valve, solid brass pressure spring, which has good return and return resistance, quickly seals water and lets it flow with just a squeeze. New design and high quality pop-up drain plug with overflow hole. Wide use: This drain valve is not only suitable for families, but also for various bathrooms and toilets such as restaurants, restaurants, bars, etc. bars and hotels. This drain faucet sets the highest standard in terms of design and innovation and fits harmoniously into every wash basin, sink, sink and sink cabinet without overflow.< p> Function: Without overflow connection The drain valve has no overflow connection. Install it on sinks that do not have an overflow. This drain valve is not only suitable for families, but also for various bathrooms and toilets such as restaurants, bars and hotels. Specification: Material: Brass and zinc alloy Installation size: G1 Sealing material: silicone Overflow drain: No overflow