| 摘要 |
A package that is movable between a collapsed position and an uncollapsed position is formed from at least three panels coupled to one another to form a panel assembly. A series of lower flaps are coupled the lower edges of the panels and interlock to form a permanent closure at a lower end of the panel assembly. A foldable flap coupled to one of the panels and interlocking with another of the panels to form an openable closure at the upper end of the panel assembly. The enclosure formed by the panels, the lower flaps and the upper flaps is foldable into a generally flat collapsed configuration in a plane containing a folding axis that is provided in the permanent closure.
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