FrankeUSA UDSK900-18 Double Bowl Stainless Steel 31.5x17.5in. Undermount Sink N/A Imported Two equal size bowls measure 15 3/8 inches x 14 1/8 inches x 9 inches each Large deep bowls gives you the needed capacity to tackle any cooking or cleaning task 18 gauge stainless steel construction for under mount installation Under mount installations for solid surface countertops Professional installation recommended for this application Template and hardware included Limited Lifetime Warranty