Packag Includes: 3pcs 925 Sterling Silver Necklace Extenders Material: 925 Sterling Silver Color: Silver Product Features: Material: The silver necklace extender is made of 925 sterling silver, which is not allergy-prone, lead-free, nickel-free, smooth and delicate surface, not easy to oxidize, and glossy. Easy to Use: The necklace chain extender is designed with a spring buckle, just buckle it at the end of the jewelry, which can help you adjust the length of the jewelry. Application: Sterling silver necklace extender mainly for jewelry to add extra length, can solve a variety of necklaces, bracelets, anklets and other inappropriate troubles.