Pearl Collection Pearl series 18K Gold Plated Pearl Earrings in Sterling Silver This product provides gold / platinum customization service. Customers who need it can contact us directly. 925 sterling silver, plated 18K white gold / rose gold Freshwater pearl size: 117mm in total length Packaging-Comes in a branded box about shipment fees: Free shipping in Hong Kong and Macau. In addition, guests can choose to pick up at SF Station / Smart Cabinet (Hong Kong area) or OK convenience store (Macau area). · SF Station: http://www.sf-express.com/hk/tc/other_services/sf_station/sf_station_network/ · Smart Cabinet: http://www.sf-express.com/hk/tc/other_services/intelligent_cabinet/intelligent_cabinet_network/ · OK Convenience Store: http://www.sf-express.com/hk/tc/download/OK_MAC_TC.pdf How to maintain silver jewelry: -The best way to maintain silver jewelry is to wear it every day. If you do not handle and store silver jewelry usually after wearing it, it is very likely to make the silver jewelry black. -Do not wear other precious metal jewelry at the same time when wearing silver jewelry, to avoid collision deformation or abrasion and scratches. -Keep silver jewelry dry and do not get close to hot springs. When not in use, use a cotton cloth or tissue paper to gently wipe the surface to remove water and dirt. Place the pure silver product in a sealed bag or box to avoid contact with air. -If you notice any signs of yellowing, you can try toothpaste and lightly wash the surface, or use a small jewelry brush to clean the fine seams of the silver jewelry, and then wipe the surface with a silver cloth. -The silver ornaments are very yellow. It should not be soaked in silver washing water for a long time. Generally, it should be washed out with water after removing it for a few seconds to one minute.