Osman Grey Marble Tile Also very appropriate for private housing projects like villa, modern luxury apartments, condos, high standing residences, top class building project. Danube grey marble is ideal for lobby, reception desk, customer desk, Countertops, exterior - interior wall and floor applications, fountains, pool, stairs, window sills and other design projects like monumental bathrooms, luxury spa, modern living rooms and so on. Osman Grey Marble Tile is available in Tiles and Slabs. Sizes can be adapted to each project requirements. Standard thickness is 2cm and maximum size for this thickness is 240x140cm. For other thicknesses, check available sizes.