Material: Bead, Crystal, Freshwater pearl Care instructions: 1. Use a soft cloth to wipe. After each wear, you can use a soft cloth to wipe. 2. Avoid contact with water, as prolonged exposure to moisture can cause discoloration. 3. Store properly. If not wearing the jewelry for a long time, it is recommended to store it properly to avoid prolonged exposure to air, which can cause oxidation. While wearing the pearl jewelry, avoid exposure to the sun and contact with highly volatile substances such as perfume and hairspray, as it will easily fade in color and lose its luster. Imported Product measurements: Chain length: 16.5 in Extension chain length: 2.4 in Weight: 0.35 oz (10 g)