Product Details: US Part Number: PSX120309 Cabinet Size: 36" Waste Outlet Diameter: 3 1/2'' Dimensions: 31 7/8"x18 1/8" Bowl Size: 18"x16 1/8"x9 1/16" Small Bowl Size: 11 7/8"x16 1/8"x7 7/8" Number of Bowls: 2 Type of Material: 16 ga Stainless Steel