usps international first class is a shipping service offered by USPS for sending packages to international destinations. It is an affordable option for customers looking to ship lightweight items, such as letters or small parcels, at a lower cost. USPS First-Class International offers delivery to over 180 countries, with delivery times typically ranging from 7 to 21 business days, depending on the destination. While it is more economical than other international services, the trade-off is that it doesn’t come with tracking or insurance, which makes it a suitable option for lower-value items. For businesses, USPS First-Class International can be an ideal solution for small packages or items that don’t require expedited delivery.