Material: Sink drains are made of high quality brass, they are durable and not easy to rust. All materials can guarantee the quality. The materials we have been using for a long time are harmless and environmentally friendly. Easy installation: the waste assembly is suitable for sinks without an 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 watertight seal. Click clack function: thanks to the pop up mechanism, you can open and close your new basket with just one click. No more worries about stuck and leaking diverter caps. Solid Structure: Heavy-duty construction drain valve, solid brass compression spring, which has good rebound and rebound resistance, quickly seals water and lets it drain out with one push. Brand new and high quality pop-up drain plug with overflow hole. Wide Application: This drain valve is not only suitable for families but also for various bathrooms and restrooms such as restaurants, bars and hotels. This drain tap sets the highest standards in terms of design and innovation and fits harmoniously into every washbasin, sink, sink and sink cabinet without overflow. Feature: Without overflow connection The drain valve has no overflow connection. Mount it on sinks that have no overflow. This drain valve is not only suitable for families but also for various bathrooms and restrooms such as restaurants, bars and hotels. Specification: Material: brass and zinc alloy Installation size: G1 Sealing material: silicone Overflow: Without overflow