

Outer Dimensional Volume - measurements indicating the volume of the container in cubic inchesįor more information, please visit the Priority Mail Page. Girth - measurement of the distance around the container (i.e.


Inside Dimensions - measurements of the inside of the container Priority Mail Flat Rate requires using Flat Rate-branded packaging, which you can pick up at any Post Office or order online for free from /supplies.Outside Dimensions - measurements of the outside of the container Priority Mail Flat Rate is available in many different sizes Even with Pirate Ship's BELOW Commercial Pricing shipping rates, there are only two types of Flat Rate packaging that are always a great deal: Priority Mail Flat Rate Envelopes (including Priority Mail Legal Flat Rate Envelope and Priority Mail Padded Flat Rate Envelope) and the Priority Mail Small Flat Rate Box.įor other sizes, such as the Priority Mail Medium Flat Rate Box and the Priority Mail Large Flat Rate Box, you could save up to 56% by shipping your items with Priority Mail Cubic® in your own comparably-sized packaging instead. 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.
