The Priority Mail Express Flat Rate® Envelope offers our fastest service for time-sensitive letters, documents or merchandise. Guaranteed next-day and second-day delivery nationwide or your money back.
Please Note: This product ships in packs of Singles (1-5) and packs of 10. An order of 1 equals 10 or (1-5) boxes depending on your selection under Format.
This envelope is ideal for sending 8-1/2" x 11" size documents, including passports and passport documentation.
Each Priority Mail and Priority Mail Express shipment includes USPS Tracking®.
A Universal Product Code (UPC) (11-digit PS barcode which includes):
- The price of the product.
- The product description.
Package Pickup Service:
- Customers can go to USPS.com to request Package Pickup.
- There is $50 insurance coverage included on each Priority Mail shipment.
A Quick Reference (QR) Code:
- A QR Code is located on the front or back of the Expedited Packaging Supplies, when scanned it will allow customers to schedule free Package Pickup.
- Recycling logos are displayed on the front or back of Expedited Packaging Supplies. Information on the recycling logo provides the proper steps to effectively recycle the item.
The Postal Store® ships all in-stock orders with USPS Tracking™. Please allow 3-5 business days for in-stock items to be shipped with Default Shipping, or 1-2 business days for in-stock orders to be shipped with Priority Mail Express® service.
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.
Free Shipping Supplies Free shipping supplies are shipped with Parcel Select Ground® service within 2–8 business days. For your convenience, all orders will include a “Leave if No Response” release. This will allow your carrier to leave your order if you are not available.
Expedited Shipping Supplies Your local Post Office™ facility fulfills orders of Flat Rate Expedited Shipping Supplies. If your local Post Office cannot fulfill your order within 1–2 business days, our distribution center will fulfill your order within 2–8 business days.