With its gently curved, organic shape, the KOHLER® Iron Plains sink combines distinctive style with the extreme durability, strength, and vintage soul of KOHLER® enameled cast iron. This oval vessel bathroom sink features a smooth enameled interior with a matching painted underside that makes for a striking vessel installation. Elevate your experience with Kohler. Kohler®, 5403-PAT-17, Bathroom Sink, Enameled Cast Iron, Teal Exterior with Teal Interior