it is easy for me to get on and off a stool at that height. Most common product behind the sink would be a tile of some sort. Unlike showers and tub areas, you don't need to worry about water. There is not enough moisture that gets behind the sink that would require a cememt board behind shower tile
be very easy to care for and beautiful. I think the choice is really going to boil down to whatever looks better to you personally. You can get a honed or leathered Absolute Black Granite that would be really lovely. If you want to go solid black, honed or leathered Absolute Black tends to show less f