Global Priority Mail TM (GPM)
GPM is an expedited airmail letter service that provides fast, reliable, and economical delivery of documents, printed matter items, and light-weight merchandise to Canada, Mexico, and selected foreign countries in South America, Western Europe, the Middle East, and the Pacific Rim.
GPM items receive priority handling in the United States and in destination countries. GPM mailpieces can weigh up to 4 pounds. They can be enclosed in standardized flat-rate envelopes or in customer-supplied packaging that conforms to size limitations and bears a GPM sticker provided by the Postal Service. Postage rates for flat-rate envelopes start at $4.00.
For details and individual country restrictions, consult the mailroom, the US Post Office, or the: