A retention packaging system includes a frame (102), a sheet (108), and an attachment zone (170). The frame includes a first panel (106), a second panel (112), and a sheet panel (108). The frame is foldable to a first folded state where the frame forms a space having an opening with the sheet panel (108) foldably connected to the first panel (106). The sheet is attached to the frame across a portion of the sheet panel. The frame is foldable to a second folded state where an attachment end (158) of the sheet panel (108) is attached to the attachment zone (170) with the sheet spanning across of the opening. In the second folded state, one side of the attachment end (158) is attached to a portion of the attachment zone (170) on the second panel (112) and the other side of the attachment end (158) is attached to another portion of the attachment zone (170) on an attachment flap (142, 146) foldably connected to the second panel (112).