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 for corrosion resistance, and the appearance is bright. The ABS plastic buckle has good toughness, stable installation, and is not easy to fall off. Easy to Install: No tools are required, just push in the sink overflow ring and click into place. Put a little 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 the market and can be used in homes, shopping malls, hotels, businesses and other places.