The dimensions “30 by 60” typically refer to the length and width of each tile in centimeters or inches. In this case, the tile is rectangular, with a length of 30 units and a width of 60 units. The tiles may have a specific finish, such as glossy, matte, or textured. The finish can influence the overall aesthetic and may also impact the tile’s resistance to scratches or slipping. Thickness;10-15 mm