Blanco 441464 Silgranit II Diamond Bowl, 1-1/2-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 Heat-resistant to 536 degreef Resistant to scratches, stains and all household acids and alkali solutions 80% solid granite Heat resistant up to 536-DegreeF