Size: long ear hook about 6cm, no ear hook 5cm / width about 3.5cm Material: electroless brass, black agate, hollow yellow glass - Maintenance method: 1. Pure brass will not fade, but it will oxidize due to contact with air and moisture. It is not suitable for wearing a bath. If you do not wear it for a long time, it is recommended to replace it with the included clip chain protection sleeve to isolate the air. 2. Toothpaste can be used toothpaste, gently brush brass bracelet, wipe with a dry cloth, jewelry can make about 7 percent rejuvenation. 3. Without pearls / shells and other goods, can be mixed with white vinegar + water (ratio 1:1), soak for 30-60 seconds, wash and dry, you can rejuvenate about 70%. (The use of silver wash water is not recommended because the silver wash water will corrode the brass surface, causing the bracelet and stone to be damaged.) - Precautions: 1. Each computer is different, the consideration may produce a few chromatic aberration, the actual still need to be based on commodity entities. 2. Natural stone/pearl/shell etc. The size and color are not the same. Some of them are mixed with a little material (blotches or uneven). These are the characteristics that natural materials should have. Please confirm that they can be accepted/appreciated and then purchased. 3. There are occasional water spots or spots on the surface of electroless-plated brass. All of these are normal and not blemishes. Please confirm that they can be accepted/appreciated and then purchased. 4. Some materials are imported materials. If they are short of materials, they may need to wait 10-20 working days. If you hope to receive the merchandise on the specified date, it is advisable to write to us first. 5. Each piece of jewelry is hand-made only after the order is placed. After the sale, except for the defective products, the service of returning goods is not provided. Please forgive me.