The Lava Black premium slate is imported from Brazil. These stones are perfectly gauged and has minimal colour variance. The rock contains natural variances between black and grey, but overall maintains a rich, black hue. The robust nature of thi s slate allows for both interior and exterior applications. The natural slate finish leaves the texture and beauty inherit to the stone untouched. The unique strips come in a bundle, with each package covering 10.76 square feet. The varying siz es of tile make for an attractive and unique installation of beautiful, natural stone. The random pattern is established by each package's square footage consisting of differently sized tiles.