What is the maximum weight for flat-rate envelopes for Priority Mail Express International?

The maximum weight for flat-rate envelopes for Priority Mail Express International is 4 pounds. This means that when using the flat-rate envelope option for sending items internationally via this Express service, you can send up to 4 pounds without having to weigh the contents to determine postage. This feature provides convenience and cost-effectiveness for customers sending items abroad, as they can pay a flat rate regardless of the weight, as long as it does not exceed the specified limit.

The choices presented reflect various weight limits, but the 4-pound maximum specifically allows for a range of items to be shipped while still adhering to postal regulations, making it an essential guideline for anyone utilizing this service.