3-1/2 Inch Sink Drain Assembly Kit, Removable Deep Sink Strainer Basket with Sink Stopper/Sealing Lid for Home, Kitchen, Stainless Steel - Amazon.com
The Plumber's Choice 3-1/2 in. Strainer Basket Universal Replacement for Kitchen Sink Drains Stainless Steel with Rubber Stopper 17621 - The Home Depot
Keeney 2-in Stainless Steel Rust Resistant Strainer Basket in the Kitchen Sink Strainers & Strainer Baskets department at Lowes.com
KONE 2PCS Kitchen Sink Basket Strainer Replacement for 3-1/2 Inch Standard Drains Brushed Stainless Steel Body Metal Center Knob with Rubber Stopper - Amazon.com