Made of high quality material, durable and practical to use. 2 pcs kitchen sink drain stopper and garbage disposal stopper for 3-1/2 Inch sinks. 1 Strainer: Micro-perforation diameter: 0.08", Outer diameter: 4.4", Inner filter: 3", Depth: 1". Stopper: The widest diameter including the rubber is 3.35". The rubber slightly compresses when you put it in the sink to create a tight seal. Thicken 2-ply metal sheet flat rim, not easily deformed. Hemming processing – Smooth edge, ensure the safety of users. Dishwasher safe. No tools required, easy to use, replace old, damaged strainer or stopper. Holds water in your sink and helps keep your silverware and unwanted items out of the drain, filters out more solid impurities, effectively prevents clogging, while allowing food to get to your disposal as necessary. Wash easily with warm soapy water to keep the mirror shine impeccable over time. Specification: Color: As the picture show, Material: metal. Package includes: 1 x Kitchen sink drain stopper 1 x Garbage disposal stopper.