Laufen's Stone Evolution porcelain tile is meant to mimic the look of natural stone. Stone Evolution consists of two series - Solaris and Jupiter - for a total of six colors. A unique multi-format option is offered with two 8-by-13 1/4-, two 13 1/4-by-13 1/4- and three 13 1/4-by-21 1/4-inch tiles per carton. The collection is also available in 21 1/4-by-21 1/4-inches and a 2-by-2-inch mosaic.