Material Details:
Copper: Copper is a low maintenance, richly hued, lead-free and nickel-free metal. Copper will patina with age or can be shined up with the application of something acidic, a tarnish removal cloth, or cleaner such as Bar Keepers Friend.
Stainless Steel: 316L grade stainless steel. Hypoallergenic and tarnish free. Shine up when needed with water and either dish soap or soft abrasive, or a microfiber cloth.