Priority Mail Express Flat Rate® Envelope


  • Delivery in next-day and second-day
  • Ships in Singles (1–5) and 10 pack sizes. Depending on the Format option you choose, an order of 1 equals 10 or (1-5) boxes.
  • This envelope is ideal for sending 8-1/2" 11" size documents, including passports and passport documentation.
  • Money-back guarantee if not delivered in time
  • Customers can request Package Pickup
  • Includes USPS Tracking
  • Includes $100 insurance coverage included on each Priority Mail shipment
  • Price based on the weight of your package and destination
Priority Mail Express Flat Rate® Envelope

What does this mean for your business?

As a user of the ShipVista platform, you can connect your USPS rates while enjoying seamless connectivity within ShipVista's shipping solution.

Access Priority Mail Express Flat Rate® Envelope Rates with ShipVista

Frequently Asked Questions

More on shipping with USPS - Common questions about USPS.

You can track USPS shipments using the tracking number for the shipment provided withing ShipVista and visiting the USPS website.

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