The credit card sending query shows that it has been sealed, that is, the credit card has been packaged and mailed.

Literally, it means "sealed", packed in a big parcel agent, ready to be transported to the transportation center of the next station.

Parcel express is to pack a number of small parcels in a large packaging bag in cities, counties and districts, which is convenient for transportation and not afraid of loss, rather than transporting them one by one.