Cantina Bar & Prep Sink. Generally, one wouldn't just blurt out how great or popular a copper bar sink is, but when it comes to Cantina, we just can't help ourselves. This simple and practical yet refined and versatile design makes us want to climb onto the bar and break into song and dance. Yes, this sink really is that popular! ** Due to their handcrafted nature, no two products will be exactly the same and may vary in finish, texture and other details. **