925 sterling silver necklace single chain (clavicle chain). / Size / Necklace length: 16 inches (40.6 cm). 1.4 mm circle chain. / Material / Sterling silver international standard 925 silver. / 925 Silver Maintenance Instructions / ■ Avoid contact with high acid and alkaline substances such as hot springs. ■ Avoid wearing in bathing, swimming, and hot springs, because it is easy to get scum and accelerate oxidation. ■ It is normal to contact with air, sweat and other oxidative discoloration. Regular maintenance to maintain a bright luster. ■ When not worn, clean, dry and sealed in a zippered bag. ■ It is recommended to wash the jewelry with dishwashing detergent to remove sweat, grease or scrub the fine dirt with a toothpaste toothbrush. ■ Please use silver cloth to clean the sterling silver jewelry. ■ If you have other maintenance questions, please contact the designer. / Packaging / Transparent storage bag, product care instruction card.