Set of 3 Copper container and leaf shape tray with gold plated. Copper baba Presents Copper Storage Box. Suitable for a Stoarage Purpose. Copper finished containers with lid that can also be great as a snack box. Can be carried individually. Many Customers Love the Vintage/Antique Tarnished Look, but Care Instructions for Minimizing and Removing Tarnish are Provided with Order. Instructions: Copper utensils needs to be cleaned at regular interval for removing the dark marks. Dark marks are formed due to oxidization process. It is the basic nature of Pure Copper that it oxidizes when it comes in the contact of air and water