Blanco 441368 Silgranit II Vision Single Bowl, Biscotti 80% solid granite Required outside cabinet: 27 inch Resistant to scratches, Stains and all household acids and alkali solutions Bowl depths are 8 inch Limited lifetime warranty 80% Solid granite Required outside cabinet: 27" Resistant to scratches, stains and all household acids and alkali solutions Bowl depths are 8" Limited lifetime warranty