Brass material: This round sink overflow cover is made of high quality brass, solid and durable, can be used for a long time, the brass material is fashionable and shiny, it matches the sink perfectly, simple and elegant. Sliding Installation: Our sink overflow rings fit easily and easily to the faucet, just push the sink hole into the sink overflow cover and snap into place to complete the installation, before buying, please compare your sink size. Electroplating surface: The surface of this overflow ring has good adhesion of electroplating, and the installation is very stable, dont worry about falling off, you can easily slip it off without damaging the cover feet you installed. the surface : This round oil spill plug has bright glossy surface and even color, suitable for decorating overflow holes, it wont clog, it can be used for a long time in the kitchen or bathroom. bath. Versatile Use: These sink drain covers are used on all types of sinks, whether its a bathtub, basin, kitchen sink or toilet. Fits most kinds of sinks on the market, widely used in homes, shopping malls, hotels, factories, including kitchens. Surface treatment: three-degree polishing five-step electroplating layers Size: outer diameter about 30mm, inner diameter about 14mm, height about 14mm. Suitable for hole diameter: round hole 23mm-25mm Delivered quantity : 4 pieces