Swanstone QUSQ-3322.075 Undermount Double Bowl Sink, 32-Inch x 21-Inch, Bianca The linear design of this sink has a contemporary look without sacrificing functionality Made with 80% quartz stone, only a diamond is harder Mounts under most countertop materials including granite, quartz, solid surface, and tile Symmetrical, double bowls offer drains located near the back for optimal workspace Standard size is ideal for remodeling or new construction The linear design of this sink has a contemporary look without sacrificing functionality Symmetrical, double bowls offer drains located near the back for optimal workspace Dedicated undermount model mounts under most countertop materials such as granite/quartz, solid surface and tile 9" (229mm) deep bowls