High Quality Materials: Adopting high quality zinc alloy material, the product is corrosion resistant, not easy to rust and durable. Surface polishing: The the surface of the sink drainer without overflow hole is polished and electroplated, and the surface of the product is smooth and delicate, and does not rust. Bounce Design: The product bounces when you press it during use, which is very convenient for water storage and drainage. Easy Installation: Thanks to the standardized installation dimension of 1 "", the push-to-open drain fits all standard sinks and sinks without an overflow. It can be installed in a few steps without tools. Wide Application: This sink drain without overflow is not only suitable for families, but also for various bathrooms and toilets such as restaurants , bars and hotels, blending seamlessly with any sink, vanity, laundry tub and kitchen sink without an overflow."