Stainless Steel Materials: This sink strainer is made of high quality stainless steel. The material characteristics of this sink strainer are not easy to rust, corrosion resistant and can be used for a long time. This material is sturdy and provides good rigidity to the sink strainers. Even the mesh that you might think is soft is actually almost completely rigid! It's solid. Micro-perforation design: This drain filter is a mesh design with many small holes, which can help you more effectively prevent garbage or hair from clogging the bathroom and kitchen without obstructing the flow of water. Easy to install: The installation mode is very simple, just put this sink strainer grid into the kitchen or bathroom drain hole, then this stainless steel sink filter can work immediately. This sink strainer is a great drainage tool for the kitchen or bathroom. 3PCS Sink Strainer: We offer you 3pcs stainless steel sink strainer with outer diameter of 7cm, inner diameter of 3cm and height of 3cm which can keep kitchen and bathroom pipes open and avoid various drainage problems. And please calculate the size of your sink. Widely Used: This sink strainer grid is suitable for many places. For example, bathroom, kitchen, sink, laundry room, etc. This drain strainer can filter not only food debris but also hair, it can be considered very functional.