Cocina Duet Double Bowl Undermount Kitchen Sink. Cocina Duet is an attractive and practical double-bowl kitchen sink with a bit of geometric appeal. On the attractive side, this artisan crafted copper sink offers show-stopping hammered texture. On the practical side, it accommodates a variety of kitchen tasks, offering ease of prep and cleanup. Cocina Duet undermount kitchen sink is crafted by hand from high-quality recycled copper; each is subtly unique. Curious about copper sink care? It's easy! Simply rinse with mild soap and water to maintain its living finish. ** Due to their handcrafted nature, no two products will be exactly the same and may vary in finish, texture and other details. **