Berries can be kept in cold storage for about 3 to 5 days. This time range is the recommended storage time, and the storage time will be different due to factors such as the making materials, freshness and storage methods of shellfish. In order to ensure the freshness and taste of shellfish, it should be eaten within 3 to 5 days. If you plan to keep shellfish for a longer time, you can consider freezing, which can extend the shelf life of shellfish.