The mailroom fails one size at a time. The other sizes still look full. This page stays with plain envelopes, next to void fill beside the mailers.
Packaging Suppliers keeps Plain envelopes apart from a mailing bag. They sit in papers and envelopes, apart from mailing bags and board-backs.
What this collects
Plain and window envelopes are for paper that can go as a letter, not for a parcel.
void fill beside the mailers is the neighbour on this list. Void fill belongs beside a carton, not inside a mailer that should have been a closer bag. It is still a different range from plain envelopes.
Before the order goes in
Window or plain is the choice, then the paper size.
A Packaging Suppliers basket with Plain envelopes still leaves the same day if it is placed by 3pm. The terms aim for 5.30pm the next working day. A 1 to 3 day courier is also described, depending on the lines.