Blanco 441465 Silgranit II Diamond Bowl, 1-3/4-Inch, 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 scratch and chip-resistant Resistant to scratches, stains and all household acids and alkali solutions 80% solid granite Heat resistant up to 536-DegreeF