Description Milly Gray Split-Face Limestone | 3x12 Gorgeous new Milly Gray Split-Face Limestone from Egypt | $1.50 per piece Each piece is 3"x12" Each piece varies in color slightly. Perfect for outside landscaping. All Natural Stone products such as granite, marble, limestone 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.