12-1/2" x 9-1/2"
Priority Mail International is a reliable, cost-effective way to send documents and
merchandise to over 180 countries. This packaging is not available at the Post Office and must be ordered online at usps.com/store.
Priority Mail International Flat Rate Envelopes are a Letter-post service. The surface area
of the address side of the item to be mailed must be large enough to contain completely the
applicable customs form, postage, and any applicable markings, endorsements, and extra service
labels. Customers must use USPS-produced Priority Mail Flat Rate Envelopes to qualify for Flat Rate pricing.
- 6 to 10 average business day delivery to major destinations.
- Tracking is not available.
- Insurance and indemnity are not available.
- Registered Mail is available as an added service to most destinations for an additional fee.
- Domestic Priority Mail Flat Rate Envelopes can be used for international shipping:
- 4 pound maximum.
- May require customs declaration form PS Form 2976.
- Value of contents cannot exceed $400.
- Online shipping convenience!
- You can print and pay for Priority Mail International Flat Rate labels with postage from Click-N-Ship at USPS.com
and may receive a lower postage price than paid at the retail counter.
- Order free shipping supplies at USPS.com/store.
- Print your shipping labels with the appropriate customs declaration form in one document.
- Request Free Package Pickup at USPS.com/pickup.
- Electronic USPS Delivery Confirmation International is available at no extra charge to select countries when
using Click-N-Ship or other PC Postage Providers. The delivery status of a shipment sent using USPS Electronic Delivery
Confirmation International may be obtained online through Track and Confirm at USPS.com.
When sealing a Priority Mail Flat Rate Envelope, the container flaps must be able to
close within the normal folds. Tape may be applied to the flaps and seams to reinforce the
container; provided the design of the container is not enlarged by opening the sides and the
container is not reconstructed in any way.