Material｜Brass Color｜Gold/Silver Size｜Front width about 1cm / back width about 0.7cm / inner diameter about 1.7cm ※ The photo may be subject to errors due to the color of the computer or mobile phone, and the color is subject to the actual product ※ There may be slight errors in size measurement, 0.5~1cm are all normal Daily maintenance -Oxidation of metal jewelry is inevitable and normal. caution! Alcohol pads only provide part of the ear acupuncture cleaning, please do not wipe any other parts of the ear acupuncture to avoid damage, discoloration or destruction. Maintenance of common alloy, plating and other metal jewelry -Develop a good habit. Metal jewelry is easy to change color due to oxidation. Do not touch chemicals or highly volatile substances, such as cleaners, nail polish, perfume, hair spray, hot springs, swimming pools, sea water, etc. -It is recommended to take it off when swimming, playing in the water, bathing, and washing hands to avoid contact with sea water, fresh water, swimming pool water, soap and alkali, or frequent contact with water, which will not keep it dry and cause chemical changes on the surface. -After wearing it frequently, it loses its luster due to sweat, stains or dust. Soak the jewelry in neutral lotion and warm water for cleaning, then take it out and dry it to help restore its luster. -No matter what the environment, the human body will sweat more or less (sweat will change the alloy, plating and other metals). After wearing, rinse the jewelry with water at room temperature, and then dry it with a soft cotton cloth (please make sure it is completely Dry) and then use the zipper bag for storage, which can extend the life of the jewelry.