Ambassador Marine Oval Stainless Steel Round Bottom Ultra Mirror Polished Finish Sink with Welded Mounting Stud for Top Mount, 13 1/4-Inch Long x 10 1/2-Inch Wide x 5 1/4-Inch Deep Ultra-Mirror Polished Finish Outside Flange Dimensions 13 1/4in x 10 1/2in Inside Bowl Dimensions 11 1/4in x 8 1/2in Depth 5 1/4in Top Mount with welded studs or Under Mount