Package Content: You will get 6 pieces sink overflow rings, including 3 silver and 3 black. Meet your different decoration styles. Dimensions: The outer diameter is 30mm and the height is 14mm. Suitable for overflow holes with a diameter of 23-25 mm. Material: It is made of copper, the surface is electroplated to resist corrosion, and the appearance is shiny. The ABS plastic buckle has good toughness, stable installation, and is not easy to fall off. Easy to install: No tools required, just push the overflow ring into 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 the market and can be used in homes, shopping malls, hotels, businesses and other places. Specifications: Material: copper, plastic Color: silver, black Size: 30 x 14mm Suitable opening: 23mm-25mm round hole Quantity: 6 pieces Package includes: 3 x slbrillre Silver basin overflow stopper 3 x Stopper overflow basin black Notice: There may be an error of 1-2 mm in the manual measurement of the size. Please measure the overflow hole size before purchasing.