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Flat Rate Box to Canada
Priority Mail International® OptionsExpected Delivery DatePriceOnline Price
More info about Priority Mail International® Flat Rate Envelope
Value of contents can not exceed $400.00
USPS-Produced Envelope: 12-1/2" x 9-1/2"
Maximum weight 4 pounds.
6 - 10 business days to many major markets1,2

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**GXG, Priority Mail International Flat Rate Envelopes and Small Flat Rate priced boxes, First-Class Mail International, and First-Class Package International Service are not available for items requiring an Export License under U.S. Law.
1. Average performance to major markets.
2. Actual transit time may vary for origin and destination