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. Natural & Oxidized Brass, Nickelplate Hand wash with gentle detergent, dry immediately with soft cloth Do not use abrasive cleaners, steel wool or scouring pads that can scratch and dull metal surfaces