925 Sterling Silver Chain Extenders for Pendant Necklace Bracelet Anklet Made in Italy (2in) . Sterling Silver Necklace Bracelet Anklet Chain Extenders 2" and4". Very practical chain extenders. Nice item comes in handy so you don't have to keep buying different sizes of chains. The two-inch extender works for charm bracelet and chains and the four-inch extender is perfect for necklaces. HOW TO TAKE CARE OF STERLING SILVER JEWELRY Any sterling silver jewelry piece exposed to air will tarnish over time. Sterling silver is 92.5% fine silver and 7.5% other metals. Copper cause sterling silver to tarnish if not taking good care of it. The moisture, sulfur in the air, chlorinated water, cleaning products, ammonia and the like casing copper to tarnish. It is recommended to clean your jewelry after you wear with a dry soft cloth (included) and keep it in a secure plastic bag with anti-tarnish paper (included). If your jewelry will tarnish you can use Silver Cleaning Solution for cleaning. Please avoid abrasive materials for cleaning because they can damage Sterling Silver and make it dull.