The God of door in China means preventing people from misfortune and adversity, guarding the fortune and good luck. The folder was delicately painted two god of doors.
 
The Palace Museum’s Cultural & Creative Products, launched in 2014 by the Palace Museum, are series of daily items with creative Chinese cultural symbols. Based on their enormous collections and the Intellectual properties they hold, the Palace Museum put the typical and creative Chinese cultural symbol into the items. For young people in China, these items represent not only the Chinese culture but also a creative Chinese style of living. In 2017, the Palace Museum’s Cultural & Creative Products became viral through the internet and made one billion five hundred million yuan ($210 million) in one year.