overnight usps package

overnight usps package refers to a package sent using USPS’s Priority Mail Express service, which guarantees overnight delivery to most locations within the United States. This service offers the fastest shipping option available through USPS, with delivery times typically within 1 business day. Priority Mail Express includes tracking, insurance for items up to $100, and a money-back guarantee if the package is not delivered by the expected time. The cost of overnight USPS shipping varies based on the weight, size, and destination of the package, and USPS provides an overnight shipping calculator to help customers estimate their shipping costs before sending a package.