It is made of copper wire and imitation crystal by hand winding. The earrings + bracelet set can be used as a whole. The bracelet adopts two methods of open type and hook type, plus tail chain, It can be adjusted freely according to the size of the wrist, which is convenient to put on / take off. Earrings-basically ear hooks. (Clamp can be changed) (Ear clip is a painless ear clip made of copper wire of the same color) Customization is acceptable. Beads can be specified in color (color system) Please call again to communicate. (Or let me do the matching for you) [Reminder] The following people can be accepted before ordering. ~~ Thank you. There may be a slight difference between the color of the photo and the finished product due to the light. The earrings are all handmade, so the size and shape may be slightly inaccurate rather than the problem of product defects. Copper wire is a slightly soft metal, please do not intentionally squeeze and break it. [Ordinary maintenance of jewelry] The accessories you wear must be removed when taking a bath // sleeping // soaking in hot springs // a lot of sweating. Usually avoid contact with products containing chemical additives (EX: sunscreen, cosmetics, perfumes, styling sprays, cleaning agents, chlorine in swimming pools, etc.). It is recommended that jewelry (earrings) should be removed and wiped with disinfectant alcohol regularly after wearing to avoid bacteria and allergies. Keep it dry, put it in a chain bag // jewelry storage box and seal it away. Avoid colliding with each other.