Tip - USPS - Mail Characteristics - Sizes for Large Envelopes and Flats (Nonletters)

Published 9 years, 3 month(s) ago | Submitted by Art Morton

Tags: The United States Postal Service, USPS, U.S. Postal Service, US Postal Service, USPS businessmail101

For further reading: http://pe.usps.com/businessmail101/mailcharacteristics/flats.htm

Posted: 9 years, 3 month(s) ago

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