The other box that they offer, referred to as the “Medium Flat Rate Box – 2” loads from the side, and it has different dimensions due to that variation. This box is squarer shaped and, because of that, you may have to be careful about which items that you are trying to put in the box. The “Medium Flat Rate Box – 1” which is a top-loading box, has the following dimensions: Most items are going to fit within one or the other, and the rate is affordable, while still getting the package to where it needs to go within a reasonable amount of time. This is because this is the box option that many people choose for what they need to send. There are two main types of USPS Medium Flat Rate Box Size options.

Measuring Up the USPS Medium Flat Rate Box Size

What is the USPS medium flat rate box size? How much can you fit in there without having any sort of problems come up in the process? And how can you use the box in an effective manner so that you don’t end up spending way too much on the process? Let’s take a look.

One of the challenges that often comes with utilizing flat rate boxes is the size.

Usps medium sized flat rate box