1 day. Holiland was born in Lanzhou on September 1992, and its headquarters moved to Beijing. After years of hard work, Hollyland has now developed into a production and operation of cakes, bread, pastry, snacks, coffee and beverages, moon cakes, glutinous rice balls, zongzi and other products. The shelf life of Hollyland Harry Potter cakes is 1 day, and the shelf life does not exceed 8 hours at room temperature. It has nearly 1,000 direct chain stores distributed in more than 80 large and medium-sized cities across the country.