The Precis 30” undermount single bowl kitchen sink offers clean lines and a simple but spacious single bowl design. This kitchen sink is made of Silgranit, a patented, certified granite composite material that is engineered to take on the toughest kitchen tasks. Beautiful and highly functional with its non-porous, hygienic surface, it pushes away liquids and residue resulting in a low maintenance, easy to clean, long-lasting material. It's no wonder this hardworking granite composite sink collection is one of the most popular. Blanco 442533 Features: Silgranit is made of quartz sand, the hardest element of natural granite making it long lasting and durable Easy-to-clean low maintenance material has a non-porous, smooth stone surface Effortlessly remove scuff marks from utensils and stains from food and drinks Undermount installation creates a seamless design that prevents dirt or grime from building up around the rim Optional accessories include grid, floating grid, foldable drying mat, and drain cover Basket strainer sold separately Trusted for over 95 years, Blanco sinks are covered by a limited lifetime warranty Blanco 442533 Specifications: Sink Length: 30" (left to right) Sink Width: 18" (front to back) Sink Height: 9-7/8" (top to bottom) Basin Dimensions: 28" L x 16" W x 9-1/2" D Minimum Cabinet Size: 33" Drain Connection: 3-1/2"