VIP Home Essentials Heavy Duty Endurance Sink Strainer - Large-2-1/2 to 4-1/2 - 3 Pack Stainless steel construction. Extra wide up grooved flange to cover more outside space! Great for keeping debris from going down the drain Dishwasher safe This sink strainer is made to fit in larger sink drains. The stainless steel construction makes it easy to clean. The precision pierced design allows water to pass through it, keeping debris from going down the drain. It is ideal for sinks without garbage disposals or as a replacement for an existing one. 4-1/2" diameter Extra wide up grooved flange to cover more outside space!