united states postal service first class international

united states postal service first class international is a cost-effective shipping option for sending letters, postcards, and lightweight packages (up to 4 lbs) to over 180 countries. While it’s cheaper than Priority or Express services, delivery times can range from 7 to 21 business days depending on the destination. Tracking is limited for some countries, and insurance is optional. It’s ideal for non-urgent items and offers customs form integration. Businesses use it for small, low-value international orders. However, delays can occur due to customs processing or limited transportation capacity.