Package Contents: You will get 6 sink overflow rings, including 3 silver and 3 black. Meet your different decoration styles. Dimensions: The outer diameter is 30mm and the height is 10mm. Suitable for overflow holes with a diameter of 22-24mm. Material: It is made of copper, the surface is electroplated to resist corrosion, and the appearance is shiny. ABS plastic buckle has good toughness, stable installation and not easy to fall off. Easy to install: No tools required, just push the overflow ring in the sink and click into place. Put some soap on it to help it slide easily without damaging the overflow ring feet. Wide range of applications: suitable for most basin overflow holes on market and can be used in homes, shopping malls, hotels, businesses and other places.