The NS09i-16 stainless steel undermount is a perfect small rectangle kitchen sink. An ideal single bowl for the smaller kitchen applications. Crafted from 304 16 gauge Stainless Steel. 3.5"" drain opening. Comes with a coordinating colander drain as well as a bottom grid to extend times between polishing your sink. Rubber padding is applied for noise reduction. Features a limited lifetime warranty and brushed stainless finish.Exterior Dimensions: 23"x17.7"Interior Dimensions: 21"x15.75"9" Bowl DepthThis sink is crafted from 16 gauge 304 stainless steel Lustrous brushed satin finishSprayed with a special insulation to reduce condensationRubber padding is applied for noise reductionLimited Lifetime Warranty16 GaugeColander Drain and bottom grid includedWithout OverflowcUPC Certified