A windowed envelope is a conventional envelope with a plastic (typically film or BOPS Bi-oriented polystyrene films) window to allow the recipient's address to be printed on the paper contained within.
A windowed envelope is a conventional envelope with a plastic (typically film or BOPS Bi-oriented polystyrene films) window to allow the recipient's address to be printed on the paper contained within. (en)
A windowed envelope is a conventional envelope with a plastic (typically film or BOPS Bi-oriented polystyrene films) window to allow the recipient's address to be printed on the paper contained within. (en)