▼ A material: copper (with anti-oxidation coating on the surface) + 14K gold package; Type B material: sterling silver + 14K gold package. https://live.staticflickr.com/65535/49830267307_b3ce90c9ae_b.jpg 【Two and Three Things Dinging】 ✽ The ring size is between No.2, please remember to note in the order. ✽ This model is an open-back ring, which is easy to put on and take off and not easy to fall off. ✽ Do not over-twist the split ring repeatedly to avoid breaking or deforming. ✽ After wearing sterling silver jewelry every time, please wipe gently with a silver cloth and store in a sealed bag to protect Keep dry to avoid collision. ✽ The silver cleaning cloth contains maintenance ingredients. Please do not wash with water. It can be reused until the entire strip becomes black before discarding. ✽ Please avoid contact with cosmetics, perfume, rain, sea water, bleach, chemical liquids, oil stains And other substances. ✽ Do not wear jewelry for the following activities or places: bathing, swimming, hot spring area, playing in the sea, Exercise, family affairs, violent collisions, engaged in chemical experiments. ✽ Product photos may have color difference due to different factors such as light or computer screen. Please pay attention before ordering. ✽ The jewelry is made by hand. It takes 1 ~ 3 working days after ordering. Thank you for your willingness to wait. 【About service】 ✽ Warranty period: one year warranty period from the date of purchase, the warranty card must be sent back during maintenance, So please keep it safe. ✽ Warranty content: free to help you clean and maintain, repair new product defects. ✽ During the warranty period, the normal wear and tear of the goods, human negligence or force majeure factors cause damage, because of Maintenance costs still need to be charged in the scope of warranty. ✽ The return shipping cost of the repaired goods needs to be borne by you, please forgive me.