The SomerTile Riverstone Flat Multi 11-3/4 in. x 11-3/4 in. x 16 mm Natural Stone Mosaic Tile provides a fast track to a stress-free zone. For a space that needs a spa-like touch, look no further. These impervious, frost-resistant natural stones have been cut in half to make them more even, and are well suited for walls and light-duty residential floors. A reliably earth-toned palette and random assortment of patterns emphasizes the natural element of these stone mosaics.