Wish Cultured Pearl Oyster Oval Shape in Vacuum Package 6-7mm 100pcs (White, Pink, Purple, Dyed Black) Our freshwater cultured pearl oyster is directly cultured from our own cultured pearl farms 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. It is a wonderful gift for Valentine day, Mothers Day, Christmas, Wedding, Anniversary, Graduation, Birthday, Bridesmaids, Prom and Formal Events. Shipment: UPS Delivery time: 3-4 working days.