Blanco 441298 Precis Double-Basin Undermount Granite Kitchen Sink, Biscotti 80% Solid granite Required outside cabinet: 36" Resistant to scratches, stains and all household acids and alkali solutions Bowl depths are 9-1/2" Limited lifetime warranty 80% Solid granite Required outside cabinet: 36" Resistant to scratches, stains and all household acids and alkali solutions Bowl depths are 9-1/2" Limited lifetime warranty