High Quality Material: Sink Overflow Ring is made of high quality copper, with uniform color, excellent corrosion resistance, shiny surface, clean and tidy. Keep Surface Shiny: The copper overflow hole adopts good adhesion design, the surface is polished and electroplated in multiple layers, and has good corrosion resistance, ensuring a brighter and lighter surface. Easy to Install: Simply insert the circular basin hole cover into the opening and snap it into place. No tools are required. The tail is designed with a plastic elastic ring that will not scratch the sink, which is very convenient. Opening: Our sink drain cover is suitable for 23mm-25mm opening, which is the same as the opening of most types of sink overflow holes in the market. Wide Range Of Uses: The circular sink overflow ring is widely used in homes, hotels, shopping malls, factories and other places.