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You can send packages up to 4 pounds with a Flat Rate envelope or a small Flat Rate Box, or send packages up to 20 pounds with a medium or large Flat Rate Box. To ship USPS Priority Mail International Flat Rate, you must use Flat Rate packaging from USPS. USPS delivers to over 190 countries, and packages typically arrive in 6-10 business days, with discounted pricing in Shippo starting at $27.10. Rather than paying according to your package’s weight and destination country, USPS Priority Mail International Flat Rate allows you to pay one flat price for shipments up to 70 pounds. What is USPS Priority Mail International Flat Rate? Although delivery is not quite as fast as with Priority Mail Express International, this service will still get your package to its destination quickly, at an affordable cost. Shipping with USPS Priority Mail International Flat Rate offers e-commerce merchants a great combination of affordability and timeliness.
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