priority mail overnight

priority mail overnight is a service provided by USPS that guarantees next-day delivery for urgent shipments. The service is available for both domestic and international shipments, and it offers delivery by 10:30 a.m. the next business day for most locations within the U.S. Priority Mail Overnight is ideal for sending time-sensitive packages, such as legal documents, business supplies, or gifts. The cost of this service depends on the size, weight, and destination of the package, with flat-rate options available for certain sizes.