Priority Mail, including Priority Mail Flat Rate shipping products, has fast shipping times (2-3 days) with flexible prices. Get free flat rate boxes and print postage labels online.

Priority Mail Express items, including Priority Mail Express Flat Rate shipping products, are delivered in 1-3 days to most U.S. locations. See USPS economical prices, free shipping …

You can check out the starting prices for many of our domestic and international mailing and shipping options below or visit the Postal Explorer ® website to review the full USPS® Price List.

Priority Mail ® service offers a variety of Flat-Rate Boxes and Envelopes that ship for the same price to any domestic address, regardless of how much they weigh or how far they’re going.

Shop our selection of Priority Mail Shipping Supplies on the USPS.com Postal Store

Compare USPS shipping options like Priority Mail Express, Priority Mail, First-Class Mail, and USPS Ground Advantage to find the service that's right for you.

The Priority Mail Flat Rate® Medium Box is a quick, easy, and convenient way for you to ship USPS Priority Mail® packages. The Priority Mail Flat Rate® Medium Box features …

Aug 8, 2025 · WASHINGTON — The U.S. Postal Service filed notice today with the Postal Regulatory Commission (PRC) regarding a temporary price change for some package …

The Priority Mail Flat Rate® Large Box is a quick, easy, and convenient way for you to ship Priority Mail® packages. It features predetermined rates regardless of weight (domestically) or …

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