Anodizing is an electrochemical process that converts the metal surface into a decorative, durable, corrosion-resistant, anodic oxide finish. ... This aluminum oxide is not applied to the surface like paint or plating, but is fully integrated with the underlying aluminum substrate, so it cannot chip or peel.
CARE: Simply wash with a lightbrush using a non-abrasive, mild household liquid soap. Rinse thoroughly with tap water and dry with a soft cloth or paper towel.