What does the king mean by folding bags?

Overlay package is to overlay traffic or text messages. Generally, when the monthly package traffic or SMS is not enough, it is a temporary traffic package that is used immediately, opened in the current month, automatically cancelled next month, and no longer charged. According to the relevant information, the king card overlay package is generally based on the original package's own business, and the voice service, short message service and internet service are all overlay packages, which can be queried through the local manual station 100 10 according to the business of using the mobile phone number, which is accurate and convenient.