Usage Tips:materials: Made of stainless steel, it is anti-odor, corrosion-resistant, oxidation-resistant, shiny and durable. Portable and practical: The sink overflow ring cover is lightweight, easy to carry, and suitable for standard 22-24mm overflow holes. Please confirm your overflow hole diameter before purchasing. Electroplating surface: The surface of the sink overflow cover is treated by electroplating process, which is bright, not easy to corrode and rust, and has a long service life. Easy to install: Installation of the sink overflow cover does not require any tools, just press into the overflow hole and it is not easy to slide after installation, which is convenient and practical . Widely used: The sink overflow cover is very strong and durable, can be used for sinks and bathtubs at home, and is also suitable for schools, hotels, shopping malls and other places.