Non-Flat Rate USPS Priority

I am going to use USPS Priority, but the Flat Rate Box (even Lg Flate Rate Box) is too small for my products. How can I set up the Non-Flat Rate Priority?
Thank you

Aaron




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Originally Posted by Jason Byrnes
The size of the box is set on the conform page, find the following:
It is originally set to:
$Shipping_PackageArray[$Shipping_PackageIndex]["PackageType"] = "Flat Rate Box";

you can change that to:
$Shipping_PackageArray[$Shipping_PackageIndex]["PackageType"] = "Sm Flat Rate Box";

The valid options are:
Flat Rate Envelope,
Sm Flat Rate Box
Md Flat Rate Box
Lg Flat Rate Box

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USPS Does not offer a None Flat Rate Priority Mail Option. The only Priority mail Option they offer is Priority Mail.

To use the Priority Mail service, you must use one of the Priority Mail Boxes that are provided by the USPS. These boxes can be picked up at the Post Office.

If your items will not fit in one of the Priority Mail boxes, you will need to use a different service type.