Material- The sink overflow ring is made of high quality plastic, which is practical and has a better grip than metal and will not scratch the sink. Feature- The coating of the sink overflow ring has good adhesion, smoothness, uniform color, good corrosion resistance and durability, which can ensure the surface gloss and brightness. Combination- Our sink overflow cover comes in 3 styles: mesh ring, double ring and hollow ring. They use water plating technology, won't scratch your sink or block the sink. Easy to Install- When installing the overflow ring, apply a little soap on it so that it can slide easily and not break. Without any tools, the overflow hole can be installed by hand only. Application- The sink overflow ring is suitable for most types of sinks and basins, suitable for to homes, shopping malls, hotels, factories, kitchens, etc.