

supports the following USPS Flat Rate Envelopes: Best of all they are free and also are more likely to get your documents to their destination faster than when using your own envelope (due to the fact that the envelopes are highly recognizable as Priority or Priority Mail Express). Each envelope is unique in size and structure and has differing use cases.Looking to send documents using Priority or Priority Mail Express and want to make sure you are paying the lowest rates? The USPS has pre-printed flat rate envelopes that you can use to send your documents across the nation or across the world for one low flat rate, regardless of weight or distance. There are 5 different options for USPS Flat Rate Envelopes. That being said, let's dive into the different USPS Priority Mail Box and Envelope options. With a USPS Flat Rate Box or Envelope, you will be able to ship any item of any weight up to 70lbs to any location for the same price assuming it fits properly, without any bulging, within its designated box or envelope.

If using non-customized boxes is not a deal breaker for you, USPS Flat Rate Shipping is a great tool to spend less on shipping. This can be a drawback for some because, unless you are a high volume shipper, you cannot get customized boxes with specific branding.

In order to have access to the USPS Priority Mail Flat Rate pricing, you must use one of USPS designated Flat Rate Boxes you cannot use just any box of the same dimensions. You can pick them up at any post office or USPS will actually ship the boxes opens in new tab open_in_new to you for free. One of the many benefits of shipping with USPS Flat Rate Boxes is that the boxes themselves are free. How You Can Use USPS Flat Rate Boxes and Envelopes to Save on Shipping
