united states priority mail

united states priority mail United States Priority Mail is a USPS shipping service offering 1-3 business day delivery across the country. It includes free package tracking, Saturday delivery at no extra charge, and limited insurance coverage. Customers can use their own packaging or opt for USPS-provided Flat Rate boxes and envelopes. Priority Mail is one of the most frequently used services for both personal and business shipments due to its balance of speed, reliability, and value. Online discounts are available through USPS Click-N-Ship.