Our earring set is made of brass material. - The piece attached to the cartilage part of the ear and the earring attached to the ear hole in the set are connected to each other with an elegant chain. - It does not tarnish or change color with careful and meticulous use. - It is recommended to avoid contact with water, perfume, and chemicals for long-lasting use. - It should be remembered that reactions to jewelry and plated products may vary depending on skin type. We wish you to use it healthily and enjoyably.