Blanco 440246 Wave 1 1/2 Bowl Undermount Sink, Satin Polished Finish Overall: 32-3/32-Inch x 20-7/8-Inch Under mount installation 18 gauge Stainless Steel Left Bowl: 20-1/2-inch x 18-1/2-inch x 10-inch; Right Bowl: 8 1/4-Inch x 15 3/4-Inch x 6-Inch Includes mounting hardware.Material:304 series stainless steel