| 摘要 |
A packaging box includes a first wall portion (11) and a second wall portion (12) opposed to the first wall portion (12). A shrinkable container (140a) filled with the contents is sandwiched between the first wall portion (11) and the second wall portion (12), and the container (140a) is held firmly due to a friction between an outer surface of the container (140a) and inner surfaces of the first wall portion (11) and the second wall portion (12).
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