First-Class Mail International Postcards, Letters, Flats, Packages. Priority Mail International, Priority Mail International FlatRate Prices.

If you can fit it in the box, it’ll ship for the predetermined price. With flat-rate boxes and envelopes, weight and destination do not affect pricing. USPS offers flat-rate prices for Priority Mail service.

Parcels that exceed 2 cubic feet (3456 cubic inches), add $25.00. Express Mail International, Express Mail International FlatRate Envelope Prices. USPS International Shipping Services USPS Delivery Time Global Express Guaranteed: 1-3 business days: Priority Mail International.

Parcels that exceed 30 inches in length, add $15.00.

Parcels that exceed 22 inches but not greater than 30 inches in length, add $4.00.

Parcels that exceed one cubic foot (1,728 cubic inches) are charged based on the actual weight or the dimensional weight, whichever is greater (as calculated in DMM 113.1.3).

For Sunday/Holiday delivery, add $12.50.USPS Marketing Mail Eligibility Decision Tree Flat Rate Envelope Size: 12 x 9.5, large enough for a regular size manila envelope Weight limit: maximum 4lbs internationally, value cannot exceed 400.

Designing Letter and Reply Mail (PUB 25).

Usps international flat rate