We mixed materials for added interest and they all come together at the tub edge. The concrete-looking 12x24 tile is a perfect way to outline the drop-in whirlpool tub. The 6x24 porcelain tile has a wood-look to it with this printed grain. The pebbles stained black offer a border between the two tiles. Finally, this carpet by Shaw Floors adds comfort and a subtle pattern near the bed.