sink strainer is compatible with most standard kitchen sinks as well as bathroom and utility sinks, it is made of durable stainless steel construction that is built to last High-density mesh effectively traps food scraps without stopping water flow, preventing your drain from creating a blockage. The outer rim provides the drain strainer with a secure seat on the drain. The smooth edge will not scratch your hands or damage your sinks. A perfect tool to prevent hair, residue, debris from clogging your sink drains. Outer diameter 4.4 inch / 11.2 cm, inner diameter 3 inch / 7.6cm, depth 0.87 inch / 2.2 cm. Mission: To make your housework easier and the world cleaner. Please feel free to contact us if you have any questions about the product or need after-sales service. We are here for your support and advice!