Perimeter: 19 in
Extension chain length: 0.85 in (2.15 cm)
Pearl: 0.28 in (0.7 cm）
Weight: 0.47 ounce (13.2 g）
2. While wearing the pearl necklace, 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.