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 …

Priority Mail Envelopes Priority Mail® Medium Cube-Shaped Box Pack of 10 or 25 7-1/4" (L) x 7-1/4" (W) x 6-1/2" (H)

This Priority Mail Flat Rate® Window Envelope envelope features a predetermined rate, regardless of the weight or destination zone. This item ships in packs of 10 envelopes.

Shipping Supplies Envelopes Priority Mail® Poly Envelopes Pack of 10 15" (L) x 11-5/8" (W) $0.00

Compare USPS shipping options like Priority Mail Express, Priority Mail, First-Class Mail, and USPS Ground Advantage to find the service that's right for you.

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 …

Shop our selection of Priority Mail Shipping Supplies on the USPS.com Postal Store

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, …