Granite material made by the union of 80 quartz and 20 high-performance UV-stable acrylic resin. Overall dimensions 33-in x 22-in x 9. 5-in inner dimension 29-in x 16. 375-in x 9-in minimum cabinet size 33-in. Top mount drop-in installation with a fine finished rim to make it a beautiful focal-point in your kitchen. Designed and engineered in Italy with a rotational manufacturing technique that delivers at least 30 better heat and impact resistance than many competitors. Non-porous surface is resistant to bacteria growth reduces the need for cleaning with harsh chemicals and is 100 food safe. Pre-drilled with 3 faucet holes other faucet hole drillings available. 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.