[T304 Stainless Steel 16G construction] This sink are constructed with SUS304 stainless steel for durability, performance and aesthetics. Handcrafted brushed satin finish to prevent dents and scratches for long lasting use in your busy kitchen innovative.[Save Space] Upgrade 13 x 15 inch Stainless sink with 9 inch extra deep single bowl, allows you to soak and clean dishes and glasses. Undermount installation provide you with more counter space, create a clean, seamless and modern appearance between the sink and countertop, as well as easy to clean curved corners.[Coating and Silencer Pad] To create a quieter kitchen environment, soundproofing pads have been added to the bottom of all our stainless steel sink models to reduce the faint sound of running water. As an added protective layer and to prevent moisture accumulation, an anti-condensation spray undercoating is also applied to the exterior of the sink.[Drain Easily, Sound Proof] In the bottom of overmount kitchen sink, X shaped water guideline and around the drain hole is a slope design lead to complete water drainage, no standing water which requires low maintenance in daily use to keep stainless sink sparkling and hygienic forever.[Dimensions] Exterior Dimensions: 13" x 15" x 9" (Minimum Recommended cabinet size: 16 inches). Interior Dimensions: 11" x 13" . Standard 3-1/2" drain opening fits most common garbage disposals. Recommended Cutout Size: 11 x 13 inches.[Included in the Package]Comes with this kitchen sink: 1 x 304 stainless steel dish grid, 1 x drain assembly, 1 x drying rack,1 x installation clips, 1 x cutout template and installation Guide.