NY Jewelry Ny Akoya Round Cultured Pearl in Oyster Vacuum Package 6-7mm 20pcs (White Pink Purple And Dyed Black) Our cultured pearl oyster is directly cultured from our own farm which is more than 10 years business in China. Each oyster has a cultured pearl inside which represents the finest in selection, hand picked for its luster, quality, color, and cleanliness. Every cultured pearl oyster is packed in individual vacuum bag, it can keep 2 years if you don't open it, just store in the normal temperature in cool space. Handling Time: 2-3 days Delivery time: 3-5 working days Notice: leave us a massage of the pearl color, or will send random one. If you want to fast shipping, you can pay more $20 to choose the faster express, it will be received in 3~5days.