Blanco BL440186 Diamond Equal Double Bowl, Biscuit 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 Bowl depths: 9-1/2-Inches and 9-1/2-Inches 80% solid granite, SILGRANIT material features the touch and feel of natural stone; Highly resistant to scratching and chipping Undermount clips included Classic equal double bowl design Cutout size: Template provided with approximate-1/8-Inch reveal