Double Bowl Kitchen Sink Overall Size: 45" x 20" x 10" || Bowl Size: 21" x 18" x 10" || Material: 304 GRADE STAINLESS STEEL COLLAR Thickness: 2.5 mm || BOWL Thickness: 1mm, Finish: BLACK Tantia SINK has an OVERFLOW HOLE in the basin which serves two purposes, it diverts water back to the drain pipe and it improves drainage speed || OFF-SET DRAIN frees up sink area and cabinet space – store large items or install pull out trash can under the sink || OFF-SET DRAIN helps when the faucet operates, water flows into the drain. This helps avoids many splashing issues, especially with taller faucets. Double Bowl Kitchen Sink