How Do I Get USPS Boxes for Free?

Learn how to get your hands on free USPS Priority Mail boxes and envelopes (not to be confused with ReadyPost packaging)
USPS boxes for free

Did you know that you can get USPS boxes and envelopes for totally free? That’s right…zero dollars. Zilch. Nada. Nothing. No cost to you whatsoever. As long as you’re after USPS Priority Mail packaging, you can either pick up free boxes by walking into your local Post Office, or you can order them online on the USPS website. When you order these boxes and envelopes online, USPS will even deliver them directly to your doorstep!

USPS Will Never Charge You for Priority Mail Packaging

When it comes to Priority Mail packaging, USPS will never charge you for any boxes or envelopes. They’re always free, no matter if you get them at your local Post Office or on This includes Priority Mail Flat Rate and Priority Mail Express boxes and envelopes, as well. The only thing you’ll need to pay for is the cost of postage.

Since all USPS Priority Mail boxes and envelopes are free, they are one of the most popular packaging options for shippers on a budget, and small businesses just getting started that haven’t decided to invest in custom packaging.

ReadyPost Boxes and Envelopes Are NOT Free USPS Packaging

If you walked into your local Post Office recently, you’ve likely noticed an abundance of brown packaging for sale near the counter. These are not the USPS Priority Mail packaging options you’ll get for free; instead, these are packaging options that USPS provides and calls ReadyPost.

Unlike the free Priority Mail packaging supplies that USPS offers, you’ll need to pay for these ReadyPost boxes and envelopes if you want to use them. You’ll also need to pay for the cost of postage to ship them, and you can only use ReadyPost packaging for weight-based (not Flat Rate) shipping). So, all things considered, ReadyPost packaging isn’t the best deal, especially with all the free Priority Mail packaging options available to you.


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  1. Faith Atikson

    I know BoxGiver is also a great resource for free moving boxes. It’s a platform where people donate unwanted packaging materials. I hope this helps!

  2. Sikander Lodhi

    When we use the Priority Mail boxes or envelopes, it must go via Priority Mail rates also? right?
    We are mailing a book and workbook for our financial literacy course and saw the option you mentioned for using Medial Mail to keep the cost low, as the books are being sent for free to low income people who are trying to get financially literate. Thanks for the help.

    • Rockwell Sands

      Hi Sikander – happy to help! Yes, this is correct. When you use Priority Mail packaging, you have to pay for the corresponding Priority Mail service marked on the box or envelope. You can definitely ship workbooks via Media Mail to reduce costs, but you need to use your own packaging.

  3. Jeff Gindin

    HI – is there a limit to the number of boxes that can be acquired for free? Thank you.

    • Rockwell Sands

      Hi Jeff – good question! You might get some funny looks if you take all the Priority Mail packaging from your local Post Office, but I’d be surprised if anyone officially stops you. If you order the boxes online, there are quantity limits, depending on what you’re ordering, and the number of boxes in the “pack.” For instance, play around with the amounts of Priority Mail Medium Flat Rate boxes you can order here, and you’ll see what I mean. I hope this helps!


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