| 摘要 |
A packaging and advertising device comprising a blank of readily foldable material having a transverse frangible tear line for dividing the blank into a header portion and a connected foldable box forming portion. The box forming portion is reversely folded upon itself in the knockdown position whereby the header portion and connected reversely folded box portion define an essentially flat insert which can be readily inserted between the pages of a periodical. The box forming portion is further prescored and/or die cut so that the same can be readily formed into a sealable box which can be readily separated from its header portion and used as a mailer or package for mailing various articles.
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