

Keep in mind that if you use any of these boxes listed above, you must also purchase Priority Mail postage (Priority Mail Cubic postage is also fine).

The specific boxes USPS allows you to cut down are as follows: If you’re adamant about cutting down USPS boxes, the only way you can get away with it is to use Priority Mail boxes. The Only Way to Cut Down USPS Boxes is to Use Priority Mail Boxes An Alternative to Altering USPS Boxes: Investing in Custom Packaging.

