This is a Priority Mail Flat Rate® Boxes Variety Pack consisting of:
- 1 Small Flat Rate Box 5-3/8"(L) x 8-5/8"(W) x 1-5/8"(H)
- 1 Medium Flat Rate Box (top loading) 11"(L) x 8-1/2"(W) x 5-1/2"(H)
- 1 Medium Flat Rate Box (side loading) 11-7/8"(L) x 3-3/8"(W) x 13-5/8"(H)
- 1 Large Flat Rate Box 12"(L) x 12"(W) x 5-1/2"(H)
If it fits, it ships®* anywhere in the country for a low flat rate (even lower when you ship online). Priority Mail Flat Rate Boxes feature predetermined rates regardless of weight (domestic shipping) or destination.
These boxes can be used for Domestic Priority Mail and International Priority Mail (weight limits apply)
*When shipping internationally, ship up to 20 lbs in Medium and Large Flat Rate Boxes, and up to 4 lbs in Small Flat Rate Boxes.
Each Priority Mail and Priority Mail Express shipment includes USPS Tracking®.
For more information, please visit the Shipping Page.
Note: When shipping packages, size and weight restrictions may apply and additional shipping rates may be required.
For the optimal postage and fees for your package deliveries, please access our new "How To Measure" video for tips on how to measure a package using Dimensional Weight and Cubic Volume.
The Postal Store® ships all in-stock orders with USPS Tracking™. Please allow 5 - 7 business days for in-stock items to be shipped.
To view your order status and tracking information, sign in to your USPS.com account, go to "Activity History", and select your Order#.
Orders from the Postal Store may be shipped from different distribution centers. If your order contains multiple items, they may be shipped separately.
The Postal Store® cannot accept orders for shipment outside the United States, but we do ship to APO/FPO/DPO addresses and U.S. territories. Learn More
Free Shipping Supplies
Free shipping supplies from The Postal Store Shipping Supply site are mailed Parcel Select® Ground and are shipped within 2 - 8 business days. For your convenience all orders will contain a carrier release endorsement "Leave if No Response". This will allow your postal carrier to leave your expedited packaging supply order if you are not available to receive the delivery.
Expedited Shipping Supplies
Orders of our Flat Rate Expedited Shipping Supplies are fulfilled by your local Post Office. If your local Post Office is unable to fulfill your order of Flat Rate Expedited Shipping Supplies within 1 - 2 business days, your order will be fulfilled by our distribution center within 2 - 8 business days.
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