Kohani Curved Vessel Bathroom Sink, CPS57. With striking curvature, generous dimensions, and hammered texture the Kohani copper vessel sink is the perfect fit for your contemporary design. The Kohani copper bathroom sink is artisan crafted; forged of high-quality recycled copper. It takes thousands of hammer strikes to create this one-of-a-kind, functional work of art. ** Due to their handcrafted nature, no two products will be exactly the same and may vary in finish, texture and other details. **