220 Express Mail International

221 Description and Physical Characteristics

221.1 General

Express Mail International is a reliable high-speed mail service available to certain countries (see the Individual Country Listings for service availability). Express Mail International service is available at designated Postal Service facilities authorized to accept domestic Express Mail shipments.

221.2 Express Mail International With Guarantee Service

Express Mail International With Guarantee service — which offers a date-certain, postage-refund guarantee — is available only to Australia, China, Great Britain and Northern Ireland, Hong Kong, Japan, the Republic of Korea (South Korea), and Spain (does not include the Canary Islands). This postage-refund guarantee is not available for items paid via a permit imprint under 223.221.

221.3 Express Mail International Flat-Rate Envelope

A USPS-produced flat-rate envelope is charged at a flat rate regardless of weight or destination. See the Individual Country Listings for countries that offer Express Mail International service.

221.4 Physical Characteristics

221.41 Weight Limits

Weight limits for Express Mail International service vary by country and are noted in the Individual Country Listings. However, the maximum weight limit for any Express Mail International shipment is 70 pounds.

221.42 Dimensions

Maximum size dimensions for Express Mail International service vary by country and are noted in the Individual Country Listings.