Description Mosaic Light 2x2 Tumbled Travertine Backsplash. Each sheet is 1 square foot. Great as a kitchen backsplash or a shower wall. Add glass borders as accents between sheets.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.