
The weight restriction for domestic Flat Rate Envelopes and Boxes is 70 lbs. Tape may be applied to the flaps and seams to reinforce the container, provided the design of the container is not enlarged by opening the sides and the container is not reconstructed in any way. Ended calling Washington, they sent a message out to all offices.ĭMM Notice: Proper Use of Flat Rate ContainersĮmployees are reminded of the proper use of Priority Mail Express® and Priority Mail® Flat Rate envelopes and boxes (containers).Īccording to Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM®), when sealing a Flat Rate Envelope (FRE) or Flat Rate Box (FRB), the container flaps must be able to close within the normal folds.

The Postal Explorer Magazine put out contradictory info from the DMM. Had issues with over zealous clerks in the past. To find out more about your Priority Mail Options download the " Understanding Your Priority Mail Options" brochure now.Warning: Don't Overstuff Priority Mail Flat Rate Envelopes Ideal for shipping dense packages short distances.Ideal for shipping dense packages long distances.Ideal for shipping lightweight packages.Access to USPS Commercial Base Pricing when using Endicia services.Includes up to $50 of insurance with most shipments.Free USPS Tracking (R) when you ship online and at retail locations.No surcharges for fuel or residential, rural and Saturday delivery.Priority Mail offers multiple options for differing needs know which one is right for you by downloading the " Understanding Your Priority Mail Options" brochure.

Understanding Your Priority Mail (R) Options
