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What Priority Mail Flat Rate® Envelopes Are Available?
What Priority Mail Flat Rate® Envelopes Are Available?
If I'm shipping a package with a Mercari USPS Priority mail label is it ok to use this padded envelope? I've seen lots of things about them only accepting certain types of
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Let's talk about padded flat rate envelopes. I love them. What kind of things have you fit in them? Do you risk a small chance of damage for a large savings? Did
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