Patent ID: 7780369

Claim:
An article of manufacture comprising: a first envelope and a second envelope, the first envelope having an open first edge, a closed second edge opposite the open first edge, a front surface, and a rear surface, each of the front surface and the rear surface extending from the open first edge to the closed second edge, a portion of the rear surface adjacent the closed second edge characterized as a closed edge portion, the closed edge portion having a length extending along a length of the closed second edge of the first envelope, wherein the second envelope has a closed first edge and an open second edge opposite the closed first edge, the closed first edge of the second envelope is attached to the rear surface of the first envelope, the second envelope is attached to the first envelope only along the closed first edge thereof, the closed edge portion has a width separating the closed first edge of the second envelope from the closed second edge of the first envelope, the closed first edge of the second envelope is adjacent the closed edge portion and contiguous therewith along a dividing line dividing the closed edge portion from a remainder of the rear surface of the first envelope, and the first envelope has a first interior depth given by a distance from the open first edge to the closed second edge thereof, and the second envelope has a second interior depth given by a distance from the closed first edge to the open second edge thereof.