Granite material made by the union of 80% quartz and 20% high-performance, UV-stable acrylic resin Overall dimensions: 31.75-in x 19.125-in x 9.5-in; inner dimension: 29-in x 16.375-in x 9-in; minimum cabinet size: 33-in Undermount installation for seamless visual flow from the counter-top to the sink Designed and engineered in Italy with a rotational manufacturing technique that delivers at least 30% better heat and impact resistance than many competitors Comparable to Elkay ELGU13322WH0, Swan QUSB-3322.075, Blanco 441767, and Houzer V-100U CLOUD sinks Non-porous surface is resistant to bacteria growth, reduces the need for cleaning with harsh chemicals, and is 100% food safe Lifetime limited warranty Drain not included; covered flip-top strainer (model 2210R-PS or 2210R-BS) and disposer strainer (model 4010-PS or 4010-BS) sold separately