You should clean it periodically to keep the tiles as shiny as new. When cleaning, use soft fabrics or fabrics, fine bristle tools to limit scratches. After cleaning with water, dry the surface with a soft, dry cloth. Note: Please do not leave the tiles for a long time without cleaning, as this will thicken the dust and make the brick surface blurry, the dust can penetrate deep into the grouped bricks, it will stick for a long time. and more difficult to clean.