Stainless Steel Kitchen Sink Bottom Grid and Sink Protector, Protective Sink Grid, Sink Mats and Sink Racks for Kitchen Sink, 26" x 14" with Rear Drain for Single Sink Bowl : Amazon.co.uk:
Kraus 14.5-in x 28.68-in Back Center Drain Stainless Steel Sink Grid in the Sink Grids & Mats department at Lowes.com
Stainless Steel Bottom Grid for Handmade Single Bowl Sink (HMS190)
Stainless Steel Sink, Single Hole Double Bowl Kitchen Sink Top-mount/Drop-in With Strainer And Protective Bottom Grid Thick And Durable, Not Easy To Deform (Color : Silver-D, Size : 81x43cm) : Amazon.co.uk: DIY
Why you Should Ditch Your Sink Grid NOW! - Girl, Just DIY!