Package Contents: You will get 6 sink overflow rings, including 3 silver and 3 black. Meet your different decoration styles. Dimensions: outer diameter 30mm, height 14mm. Suitable for overflow holes with a diameter of 23-25mm. Material: Made of copper, the surface is electroplated to resist corrosion, and the appearance is bright. The ABS plastic buckle has good toughness, the installation is stable, and it is not easy to fall off. EASY TO INSTALL: No tools required, just push the overflow ring into the sink and snap into place. Put some soap on it to help it glide easily without damaging the overflow ring foot. Wide range of application: It is suitable for most basin overflow holes on the market, and can be used in homes, shopping malls, hotels, enterprises and other places. Specifications: Material: copper, plastic Color: silver, black Dimensions: 30x14mm Suitable opening: 23mm-25mm round hole Quantity: 6 pieces Package includes: 3 x Silver Plugs 3 x Black Note: There may be 1-2mm error due to manual measurement. Please measure the overflow hole size before purchasing.