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 been using for a long time are harmless and environmentally friendlyEasy installation: The waste fitting is suitable for washbasins without an overflow. Sink plug with standard G1 connection, perfect for all standard sinks. Can be assembled completely without tools in a few simple steps! Easy to open and close. Smooth push-button operation with watertight closure Click-click function: Thanks to the pop-up mechanism, you can open and close your new waste bin with just one click. No more worries about stuck and leaking flushing plugs Solid structure: Drain valve in sturdy construction, solid brass compression spring, which has good rebound and rebound resistance, quickly dries water and drains it with just one push. 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 toilets, such as restaurants, bars and hotels. This waste set sets the highest standards in terms of design and innovation and fits seamlessly into any washbasin, sink, kitchen sink or sink cabinet without an overflow.Feature:Without overflow connectionThe drain valve has no overflow connection. Mount it to sinks that have no 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 Gasket Material: silicone overflow: Without overflow Notes:1. Due to manual measurement, please allow 1-3 cm error. Make sure you don't mind before you bid.2.Colors may vary due to different monitors, please understand.