first class mail usps international

first class mail usps international refers to USPS’s international shipping service for small packages and letters. First-Class Mail International is a cost-effective option for sending lightweight packages and documents to over 180 countries worldwide. This service offers affordable rates, but delivery times may vary depending on the destination country. First-Class Mail International does not include tracking in all countries, and delivery confirmation is not available for all destinations. Customers looking for faster or more secure international shipping can opt for other USPS services like Priority Mail International or Express Mail International.