Welcome to our store! Product dimensions: outer ring maximum diameter of 30mm height of 10mm High quality materials: the overflow ring of the sink is made of high quality copper, with uniform color, good corrosion resistance, and smooth, clean and tidy surface. Maintaining the gloss of the surface: the overflow holes in copper are designed with good adhesion, the surface is polished and treated by multi-layer electrolysis, has good corrosion resistance, ensures a brighter and lighter surface. Easy to install: just need to install insert the circular sink hole cover into the opening and snap it into place. No tools required. The tail design has a plastic snap ring that won't scratch the sink, which is very convenient. Opening: Our sink drain cover is suitable for openings from 22mm to 24mm, which is the same as the opening of most kinds of sink overflow holes in the market. Wide Usage: Round sink overflow ring is widely used in home, hotel, shopping mall, factory and other places. There may be some size errors in the product you receive due to hand measurement The product you receive may be slightly different from the picture due to different monitors Thank you for meeting me, hope I can help you. Good life Actual quantity shipped: 2 piece(s) 100% satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service