1XAvoid direct exposure to sun light.2XDust can accumulate in some fabrics and cushions, occasional vacuum cleaning can mitigate this issue. 3XUse trivets, coasters, placemats and adhesive felt pads to help prevent the stainless steel leg from scratching. 4,To renew the stainless steel shine, polish with lemon oil or orange oil. 5,We recommend using a multi-surface cleaner or stainless steel cleaner to remove spots.