The GC-3118-10-S black granite composite kitchen sink is made from a granite composite material that is non-porous, scratch resistant, and heat-resistant up to 550 degrees. Our granite composite sinks are formulated to resist chipping, and the rich black color features UV protection for long-lasting color that will not fade over time. The GC-3118-10-S is a large single bowl with a rear drain and undermount installation for a sleek design that will match any kitchen. Pictures not to scale. Sink and grid included. Other accessories and parts are not included. The dimensions for GC-3118-10-S are 30-3/4" x 18" x 9-1/2" with a 3-1/2" rear drain. Grid and sink included. Other accessories and parts not included.