CPC B65D 27/16 (2013.01) [B65D 27/005 (2013.01); B65D 27/04 (2013.01)] | 20 Claims |
1. An envelope construction comprising:
a front panel formed from a printable material, the front panel comprising an inside surface, an outside surface, and one or more apertures through the front panel, the one or more apertures defining one or more windows having a plurality of window edges; and
one or more opaque inset panels coupled to the inside surface of the front panel, the one or more opaque inset panels being positioned on the inside surface of the front panel such that an opaque inset panel of the one or more opaque inset panels covers respective apertures of the one or more apertures such that the one or more apertures through the front panel are substantially sealed,
wherein at least a portion of a front surface of respective of the one or more opaque inset panels are visible through respective of the one or more apertures from the outside surface of the front panel, and
wherein the front surface of respective of the one or more opaque inset panels has an optical brightness that is between about 1% and about 10% greater than the optical brightness of the outside surface of the front panel.
|