2, can be saved to the shelf life of the ice-covered moon cake. Ice-covered moon cakes cannot be stored at room temperature. Ice-covered moon cakes will melt if they are kept at room temperature for more than 2 hours. Under unopened conditions, ice-covered moon cakes should be stored in the freezer. The shelf life of moon cakes with ice skin is only 15~20 days, and they need to be kept in the refrigerator.