【Material】The sink overflow ring is made of high-quality ABS plastic, with good toughness, strong and durable.Compared with metal overflow stopper, our sink stopper will not scratch your sink. 【What you will get】 5 double-layer overflow covers.The outer diameter is 35.4mm/1.39inch and the inner diameter is 25.3mm/0.99inch, is designed to fit standard 22mm to 24mm (7/8") overflow holes). 【Design】The surface of the round cover is chrome-plated, and the color is uniform, ensuring the gloss and brightness of the surface, and has excellent corrosion resistance, to provide you with a long service life. 【Easy to Install】Our sink overflow rings are easy and convenient to match with faucets, you just need to push and click to place them, putting some soap on them can help slide easily without breaking thecap cover feet, easy for you to install. 【Multiple applications】Our sink cover can be matched with most types of sinks, which is very suitable for schools, homes, hotels, shopping malls, factories and other places.