Should I wrap a package in brown paper wrap if I'm planning to send it via media mail?

Would it be a good idea to wrap a boxed package-order in brown paper wrapping if it's going to be sent via media mail?

If they check, I don't want to be caught off guard and have to rewrap it again in the middle of the post office.

I heard a story about a women who got her package sent back to her a month later because the book she was selling was not for “educational purposes”.

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Answer:
i'd put it in a cardboard box container made for shipping so that it is not returned but don’t seal it until you get ready to pay the postage, and you can get the shipping container at the post office.