Each Michael Aram metal object undergoes a series of grinding, buffing, and polishing techniques. Variations or 'imperfections' in the product's finish are characteristic of the creation process. Due to this handmade nature, no two pieces are ever exactly alike. Polished Aluminum, Nickelplate, Marble Wipe with soft cloth Do not clean with any chemical solvents Do not use abrasive cleaners, steel wool or scouring pads that can scratch and dull metal surfaces