I just saw this
[thread](https://japanese.stackexchange.com/questions/97897/counter-modifying-
noun-with-%E3%81%A8%E3%81%84%E3%81%86) which might be answering my question,
but as I am unsure, I would like to clarify why という is being used here? Does
anyone have any ideas?

[![enter image description
here](https://i.stack.imgur.com/8br8Y.png)](https://i.stack.imgur.com/8br8Y.png)[Counter
modifying noun with
という](https://japanese.stackexchange.com/questions/97897/counter-modifying-
noun-with-%e3%81%a8%e3%81%84%e3%81%86)
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2023-01-07T03:48:25.123
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question
grammar translation manga
５個入りという usage, and nuance?
という has various usages, and という in your sentence is explained in [this
answer](https://japanese.stackexchange.com/a/52003/5010). That is, 5個入り
("containing 5 pieces") is working as a explanation of ボリューム感. So a literal
translation is "voluminous feeling of having-five(-in-a-package)!".

Although 5個入り happens to contain a number, your sentence has almost nothing to
do with the `何 + number + という` explained in the question you linked. This
construction must be used always with 何 (e.g., 何十という人, 何万円という金額, 何千万キロという距離).
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2023-01-02T16:27:09.670
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answer
As a meaning of
[という](https://dictionary.goo.ne.jp/word/%E3%81%A8%E8%A8%80%E3%81%86/#jn-154743)
itself, rather than a pattern, the one in question and the linked question
(何百というふくろう) are the same:

> ３ 数量を表す語に付いて、…に達する、…にも及ぶ、などの意を表す。「八千メートル―高所」「何万人―観光客」

It means something like _as many as_ : _as many as five-piece set_ (and _as
many as hundreds of owls_ )

* * *

Most probably the phrase refers to
[薄皮シリーズ](https://www.yamazakipan.co.jp/brand/usukawa/index.html), which was
recently reduced to 4-piece pack as seen in [this
tweet](https://twitter.com/Ito1973/status/1609423020615143424?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1609423020615143424%7Ctwgr%5E8b2647d8b4d2641fb09bffa9190d7976a773c4b0%7Ctwcon%5Es1_&ref_url=http%3A%2F%2Fkokopyon.net%2Fblog-
entry-64954.html).
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answer