31-1/4" Phoenix PH-1156 Undermount Double Equal Bowl 16 Gauge Stainless Steel Square Kitchen Sink with Tight Radius Corners and Center Drains Tight Radius Corners for Easier Cleaning 16 Gauge 304 Stainless Steel with Brushed Finish Double Equal Bowls with Center Drains Rubber Padded for Noise Reduction Thick Undercoating to Prevent Condensation