NPT ITSFC618 6" x 18" Travertine Splitface Corner Ivory. The natural beauty of Travertine makes it ideal for any outdoor space. Whether creating a patio, a walkway, or a pool deck, Travertine’s rich tones and inherent shade variations will add warmth and sophistication to any setting. Smooth, milky Ivory Travertine brings the blue water and green landscape to life!