Care instructions: 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. Stainless Steel, Oxidized, Natural Bronze Not dishwasher safe 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 Do not soak, even in plain water, or leave unwashed overnight As with all metals, never place in microwave oven