Yes, thank you! The counter top is cast concrete. You can actually find a lot of helpful info on youtube if you think you might want to try this yourself. It's a relatively detailed process. The proper tools are essential. The sink basin is a simple under mount porcelain sink. We choose a rectangle, as opposed to an oval basin. We liked the modern aesthetic of it, but it was also easier to form those lines. Please don't hesitate ask any more questions!