[Deserve every penny-true T304 16 Gauge] Stainless Kitchen Sink Drop-in made from TRUE T304 16 Gauge durable stainless steel .The panel is 1.5mm thick will not deformed. rust and wear resistant. Our sinks are built for long term use. Commercial grade brushed surface can prevent and hide scratches more efficiently than normal satin finish sink. Its beautiful looks definitely will make your kitchen remodeling project a success. [Drain Easily, Sound Proof] The X-shaped water guide allows the water to flow down more smoothly, making the sink easier to clean and maintain its beauty. [Coating and Silencer Pad] There is a thick coating on the outside of the sink to prevent condensation caused by weather changes. In addition, the 3mm thick rubber silencer pad can greatly reduce the noise from the faucet and give you a quieter cooking environment. [Dimensions] Exterior Dimensions: 15" x 20" x 10" (Minimum Recommended cabinet size: 18 inches). Interior Dimensions: 13" x 15.8" . Standard 3-1/2" drain opening fits most common garbage disposals. Recommended Cutout Size: 14.2 x 19.2 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 pack clips, 1 x cutout template and installation instruction.