NEW USPS® Postal Rates went into effect July 9, 2023. Get all the details >

Flat Rate Shipping

Priority Mail® Flat Rate Boxes Save You Time And Money


"If it fits, it ships." Use Priority Mail® Flat Rate packaging and one flat rate can ship up to 70lbs. There are over a dozen boxes and envelopes in various sizes available from the post office at no additional charge. There's no need for a scale or to wait in line. And with flat rate shipping, you can use your mail machine for the postage and get your shipment out the door without the DIY, print your own label hassles.

The Advantages of Priority Mail®

  • No weighing or calculating needed, up to 70lbs.
  • Flat Rate pricing offers one rate to any state.
  • 1 to 3-day delivery, including Saturday and residential delivery at no extra cost.
  • Includes USPS Tracking®.
  • Free boxes and envelopes.
  • Free package pick-up.
  • Overnight delivery available with Priority Mail Express® service.
  • Up to $50 insurance with most shipments, $100 for Express (restriction apply).
  • Service to everywhere.
  • The heavier the package, the more you save!

For more information, visit the USPS Priority Mail page



Mail and Ship Like a Pro!

Speak to a Quadient specialist and discover the perfect mailing and shipping solutions for your business and budget.

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Still Using Stamps?

All-new Quadient Digital Postage Meters can print postage for your flat rate boxes and envelopes. Make your job a whole lot easier and get yourself a meter today.


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