Priority Mail, including Priority Mail Flat Rate shipping products, has fast shipping times (2-3 days) with flexible prices. Get free flat rate boxes and print postage labels online.

Using the Priority Mail Flat Rate Envelope is quick and convenient. Send this envelope at a flat rate regardless of weight or destination. Order online at the Postal Store.

Priority Mail Express items, including Priority Mail Express Flat Rate shipping products, are delivered in 1-3 days to most U.S. locations. See USPS economical prices, free shipping …

Note: Flat Rate prices are available when material is sent in a USPS - produced Flat Rate Envelope or Box. When sealing a Flat Rate Box or Flat Rate Envelope, the container flaps …

Jul 10, 2022 · This is the Priority Mail® Forever Prepaid Flat Rate Envelope. These easy-to-use cardboard envelopes are great for shipping letter-sized papers, cards, stamps, event tickets, …

Regardless of weight (up to 70 lbs.) or domestic destination, any amount of material that fits into a USPS-provided Priority Mail Flat Rate Envelope or Box can be mailed for one low price (the …

Please select from the following options Calculate Postcard price View Flat Rate Envelopes View Flat Rate Boxes Calculate price based on Shape and Size

The Priority Mail Express Flat Rate® Envelope offers our fastest service for time-sensitive letters, documents or merchandise. Guaranteed next-day and second-day delivery nationwide or your …

Jul 10, 2022 · Order free Priority Mail Flat Rate® Small Envelopes online - ideal for sending cards, letters and small documents using Priority Mail Flat Rate® shipping. This item ships in packs …

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 …