If It Fits, It Ships®. Priority Mail® service offers a variety of Flat-Rate Boxes and Envelopes that ship for the same price to any domestic address, regardless of how much they weigh or how far they’re going. Prices vary by product, as shown in the table below. Our Express Mail® Flat-Rate Envelope eliminates the need to weigh contents and calculate postage for anything that can fit into the Flat-Rate Envelope. With flat-rate shipping, there’s no need to weigh anything that can fit (up to 70 pounds) if it is shipped domestically.
All USPS® Priority Mail and Express Mail packaging material is available free of charge at Post Offices™ or may be ordered online at no additional cost and shipped to any home or business.
n Two- to three-day delivery.
n Delivery to Alaska, Hawaii, Puerto Rico, Guam, or the U.S. Virgin Islands at domestic prices.
n Our fastest service for time-sensitive letters and documents.
n Available 365 days a year to most locations, including Sundays and holidays for an additional fee.
n One price regardless of weight or distance, up to 70 pounds.
n Packaging is free.
n Get the packaging, labels, and forms you need for a well-stocked mailroom free of charge at USPS.com®.
— Expedited Shipping, Mailing and Shipping Services, 8-13-09
