The three Back2Back colors interpret three different types of natural stone: White is an Onyx, Beige is a Sandstone and Grey is a Jurastone. For each of them, the series uses the distinctive features both of the face (Front), the side normally chosen to form the visible floor covering, and of the concealed underside (Back), which reveals exquisite details. There are 112 different design faces for the series and the 24×48 has 28 faces. Two sides of the same coin, with different personalities. Front: the face of the slab normally chosen to form the visible floor covering; Back, the concealed underside, which reveals exquisite details