Patent ID: 8448828

Claim:
A flexible shipping bag configured to be turned inside out to a re-usable backpack with an open top, the flexible shipping bag comprising: sealing flaps each comprising: a sealing-flap top edge; and, a sealing-flap bottom edge; wherein the sealing flaps are configured to enable opening the flexible shipping bag by cutting through the sealing-flaps between the sealing-flap top edge and the sealing-flap bottom edge; wherein each sealing-flap bottom edge is configured to permit folding its sealing flap into the flexible shipping bag when the flexible shipping bag is turned inside out, and thereby conceal the sealing flap to an external viewer; a backpack flap for each sealing flap, each backpack flap comprising: a backpack-flap top edge; a backpack-flap bottom edge; wherein each backpack flap is configured to define a drawstring passage through itself; wherein the draw-string passage is between the backpack-flap top edge and the backpack-flap bottom edge; wherein each backpack-flap bottom edge is attached inside the flexible shipping bag below its corresponding sealing flap; a drawstring; a tab extending from an inside edge of the flexible shipping bag and configured to define a hole for securing the drawstring; wherein the drawstring is configured to be secured to the tab and thread through at least two drawstring passages in order to close the open top when the drawstring is pulled; and, wherein the backpack flaps are configured to invert when the flexible shipping bag is turned inside out such that the backpack-flap bottom edge is positioned at the open top of the backpack.