Material: 18K Gold Plated Recycled Brass Size: Length: 41cm (chain); 9cm (pendant) Origin: California, USA Material Brass is durable and with proper care can stay with you for a lifetime. Finished brass jewelry does not tarnish, and it’s nickel-free and easy to clean. Since it's gold or silver plated, it won't turn your skin to green. 18K gilding is used to achieve a gold color with a beautiful shade and make the product resistant to the external environment. Jewelry Care When not worn, all jewels better be protected in our SOCALI pouch or box to prevent impacts and friction. (We will gift this pouch and box to you）