The GC-3118-10-D 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. This stylish option will fit in a 33" or larger cabinet. 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-D is a 50/50 double bowl with a rear drain and undermount installation for a sleek design that will match any kitchen. Overall dimensions are 31" x 17-7/8" x 9-1/4" with 3-1/2" rear drain holes. Pictures not to scale. Sink only, accessories, and parts are not included.