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.

Jan 14, 2025 · Learn everything you need to know about USPS Priority Mail Boxes, including sizes, prices, and shipping tips. Find out how to ship packages..

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

The table below shows options for diferent Priority Mail Boxes and Envelopes, along with dimensions, online postage pricing and weight options.

Oct 5, 2025 · This applies to Priority Mail and USPS Ground Advantage mail classes and for most shipments 20 pounds or less, flat rate products, and cubic pricing tiers. Prices in the table below …

Sep 27, 2022 · The main difference between First Class Mail service, Priority Mail, and Priority Mail Express is the delivery time and shipping cost. First class is delivered within three business days; …

Dec 31, 2025 · The cost for stamps won't change, but the price of priority shipping will see an increase at the top of the year. Here's what you need to know about the change in mailing. USPS postmark …

Your one stop shop for the best in shipping and mailing supplies for your Stamps.com account. Everything from boxes to bubbles mailers, envelopes and certified mail, to postage scales and …

4 days ago · While stamp prices will stay the same for now, other U.S. Postal Service prices will increase in the new year. The USPS announced proposed price increases for Priority Mail Service, …

Box or Rigid Packaging Any custom box or thick parcel Dimensions (Inches) Length