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 33" capsule-shaped painted underside offers two installation options - drop-in or undermount - giving you flexibility for a range of bathroom configurations. Kohler®, 20213-0, Bathroom Sink With Overflow Drain, Iron Plains® Capsule Wading Pool® Collection, Elongated Oval Shape, 31-13/16 in L x 14-7/16 in W x 4-11/16 in H Bowl, 1-3/4 in Drain Opening, 1 Basins, 33 in W x 15-5/8 in D x 6-11/16 in H Overall, Drop-In Mounting, White, ADA Compliance: Yes