The charm of an iconic stone Boost Mix is the floor and wall collection inspired by Ceppo di Gre, the stone symbol of Milan in the 20th century characterized by a unique graphic, with the characteristic pebble look that gives it an unmistakable personality. Porcelain stone with Astone effect that is part of the surface proposal of the Boost World project, providing architects and designers with a complete tool for designing any kind of environment, indoor and outdoor, both domestic and commercial.