Patent ID: 7389627

Claim:
A method of shipping items within a shipping container: providing a shipping container including an exterior substantially rigid substantially gas permeable enclosure sized so as to be manually hand-carried having a plurality of walls including a top, a bottom and one or more sidewalls, and a substantially flexible substantially gas impermeable bag to be located within said exterior enclosure, said bag being partially evacuated of air and sized so as to not fill the interior cavity of said exterior enclosure at a first atmospheric pressure, said bag sized so as to fill the interior cavity of said exterior enclosure and to engage all of said walls at a second atmospheric pressure; positioning an item to be shipped within said bag; at least partially evacuating air from said bag prior to sealing said bag; sealing said bag; placing said sealed bag within said exterior enclosure; and transporting said shipping container from a first atmospheric pressure to a second atmospheric pressure wherein said bag expands to engage all of the walls of said exterior enclosure so that said bag is restrained from bursting as a result of said bag engaging said walls.