Blanco 441477 Silgranit II Diamond Bar Sink, Cinder Flat deck is ideal for both drop-in and undermount installations 80% solid granite, silgranit material features the touch and feel of Natural stone Pre-drilled for single hole faucet Color all the way through Highly-resistant to scratching and chipping Resistant to scratches, stains and all household acids and alkali solutions 80% solid granite Heat resistant up to 536-DegreeF