| 20110220706 | SECURE MAILING ENVELOPE AND METHOD FOR MANUFACTURING ENVELOPE - A mailing envelope is disclosed, the envelope including an outer paper layer forming a pocket and an inner foil layer lining an inner surface of the outer paper layer within the pocket. The foil layer includes an aluminium foil having a thickness in a range of 6 to 10 μm. Also disclosed is a mailing envelope including an outer paper layer forming a pocket and an inner foil layer lining an inner surface of the outer paper layer within the pocket, wherein the inner foil layer includes an aluminium foil coated with a lacquer. | 09-15-2011 |