Blanco 511-606 Diamond 1-3/4 Bowl Kitchen Sink, White Finish 80% solid granite, silgranit material features the touch and feel of Natural stone Required outside cabinet is 33 inch Flat deck is ideal for both drop-in and under mount installations Bowl depths are 9-1/2 inch and 8 inch Limited lifetime warranty Overall: 33-Inch x 22-Inch Self Rimming or under mount installation Silgranit Left Bowl: 16-1/2-inch x 18-5/8-inch x 9-1/2-inch; Right Bowl: 12-1/2-inch x 16-13/16-inch x 8-inch Cutout size: 32 1/4-inch x 21 1/4-Inch; Cutout corner radius: 5/8-Inch