- International Mail Manual > 2 Conditions for Mailing > 220 Priority Mail Express International
Priority Mail Express International service is a reliable high-speed mail service available to certain countries (see the Individual Country Listings for service availability). Priority Mail Express International service is available at designated Postal Service facilities authorized to accept domestic Priority Mail Express shipments.
Priority Mail Express International With Money-Back Guarantee service offers a date-certain, postage-refund guarantee. This service is available only to the following countries:
Only USPS-produced Priority Mail Express International Flat Rate Envelopes are eligible for the Flat Rate price and are charged a flat rate price depending on the rate group of the destination. The maximum weight is 4 pounds. See the Individual Country Listings for countries that offer Priority Mail Express International service.
The maximum weight limit for Priority Mail Express International service is 70 pounds, but lower country-specific weight limits might apply. To determine the maximum weight limit for each country, see the Individual Country Listings.
Maximum size dimensions for Priority Mail Express International service vary by country and are noted in the Individual Country Listings. See Exhibit 231.23 for determining length or length and girth combined for rectangular and nonrectangular parcels.