🌊Automatic opening and closing design: With a rocker design, it opens automatically when draining water to ensure smooth drainage, and closes automatically after draining to seal in odors. 🌊You will receive 2 pieces of silver-plated fine copper sink overflow rings. The outer diameter is about 30 mm, the inner diameter is about 20 mm, and the height is about 10 mm. The applicable hole diameter is 22 mm to 24 mm. 🌊High-quality material: The sink overflow ring is made of high-quality refined copper, which is high-quality and durable, and its bright and shiny appearance is high-end and sturdy. It has good corrosion resistance, is not easy to rust, and is not easy to scratch the sink or palm. 🌊Easy Installation: Our sink overflow ring is made of high-quality materials, no tools are required, just push it into the sink hole with light force and rotate it to adjust it to a suitable position without damaging the hole to be installed, very convenient and quick. 🌊Widely Uses: Our sink