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USPS Priority Mail maximum size

Created:   |   Updated:

USPS provides shippers with boxes for Priority Mail, however your own personal boxes may be used as well.

If you choose to Priority Mail packages with your own packaging, the maximum combined length and girth (the thickest part of the package) is 108".

Priority mail is charged by weight only, so as long as your package conforms to these dimension restrictions, and is under 70 lbs. your package should send properly.

 

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