Blanco 511-703 Diamond Equal Double Bowl Kitchen Sink, Metallic Gray Finish 80% Solid granite, Silgranit material features the touch and feel of natural stone Required outside cabinet: 36'' Non-porous, resists most household stains, highly resistant to scratching and chipping, easy to clean, and extremely hygienic Bowl depths are 9-1/2'' Limited lifetime warranty Overall: 32-Inch x 19-1/4-Inch Under mount installation Silgranit Both Bowls: 14-1/2-inch x 17-inch x 9-1/2-inch Includes mounting hardware