Description Tumbled Travertine Light Walnut 8 X 8. Price per square foot. Great on the floor and on the wall. Beautiful used as a kitchen backsplash. All Natural Stone products such as granite, marble, etc. are a product of nature and have color, shade, density, and veining variation. When installing, it is recommended to mix tiles from different boxes. All natural stone products should be sealed with a penetrating sealer and maintained with product appropriate cleaners.