Use our Priority Mail Flat Rate Envelopes or Boxes that come in standard sizes so you don't have to worry about measuring them. When sealing a Flat Rate Envelope or Box, the container …

Shop our selection of Priority Mail Shipping Supplies on the USPS.com Postal Store

The Priority Mail Flat Rate® Medium Box is an easy way to ship featuring predetermined rates regardless of weight (domestically) or destination. This item ships in single, or a pack of 10 or …

Flat-Rate Package Options If It Fits, It Ships ®. 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 …

This item ships in singles and packs of 10 or 25 boxes. An order of 1 equals, 10 or 25 boxes depending on your selection under Format. Each Priority Mail and Priority Mail Express …

Use USPS Priority Mail Express Shipping Boxes that come in standard sizes so you don’t have to worry about measuring them. Use your own box and pay by weight and zone (distance):

Jul 10, 2022 · The Priority Mail® Top-Loading Large Box is a rectangular–shaped box that accommodates a variety of items such as clothing, books, and hats. This item ships in a pack …

If you're going to use Priority Mail and Priority Mail Express service, the boxes come in standard sizes and you can get them at your Post Office ™ location or order online, free!

Weight restrictions for Priority Mail International Large and Medium Flat Rate Boxes are 20 pounds, and 4 pounds for Priority Mail International Flat Rate Envelopes and Small Flat Rate …

The Priority Mail Flat Rate® Large Box is a quick, easy, and convenient way for you to ship Priority Mail® packages. It features predetermined rates regardless of weight (domestically) or …