Priority Mail Flat Rate was really designed as a consumer product, and is not ideal for most business shippers. View comparisons of Medium and Large Flat Rate Boxes vs.

It can be up to 56% more expensive than using your own plain or custom packaging.

You can’t use your own packaging, which can impact your customer's experience.

This simplifies shipping a lot, but that simplicity comes with downsides: The idea behind Priority Mail Flat Rate is that if you can fit something into a Flat Rate-branded box, there’s just one price to pay, no matter how much it weighs or where it’s going. N Get the packaging, labels, and forms you need for a well-stocked mailroom free of charge at ®.Flat Rate pricing makes shipping costs easier to understand, but it's usually more expensive N One price regardless of weight or distance, up to 70 pounds. N Available 365 days a year to most locations, including Sundays and holidays for an additional fee.

N Our fastest service for time-sensitive letters and documents.

Domestic Express Mail Flat-Rate Packaging Information N Delivery to Alaska, Hawaii, Puerto Rico, Guam, or the U.S. Priority Mail Large Flat-Rate Box (APO/FPO/DPO) Priority Mail Medium Flat-Rate Box (FRB2) Priority Mail Medium Flat-Rate Box (FRB1) Domestic Priority Mail Flat-Rate Packaging Information With flat-rate shipping, there’s no need to weigh anything that can fit (up to 70 pounds) if it is shipped domestically.Īll USPS ® Priority Mail and Express Mail packaging material is available free of charge at Post Offices™ or may be ordered online at no additional cost and shipped to any home or business. Our Express Mail ® Flat-Rate Envelope eliminates the need to weigh contents and calculate postage for anything that can fit into the Flat-Rate Envelope. Prices vary by product, as shown in the table below.

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.

Flat rate shipping price