![Priority mail expressâ„¢ padded flat rate envelope](https://cdn2.cdnme.se/5447227/9-3/screenshot_1_64e629469606ee7f889a24a7.jpg)
![priority mail expressâ„¢ padded flat rate envelope priority mail expressâ„¢ padded flat rate envelope](https://www.usps.com/ecp/asset/images/EP13PE-S0.jpg)
Use your own box and pay by weight and zone (distance): Use USPS Priority Mail Express Mailing Boxes that come in standard sizes so you don’t have to worry about measuring them.Pay for your package based on how much it weighs and how far it’s going (the zone).Use USPS Priority Mail Express Mailing Boxes and pay by weight and zone (distance): When sealing a Priority Mail Express Flat Rate Envelope, the container flaps must be able to close within the normal folds.Pay the same price for mailpieces weighing up to 70 lbs going anywhere in the U.S.
![priority mail expressâ„¢ padded flat rate envelope priority mail expressâ„¢ padded flat rate envelope](https://www.usps.com/ecp/asset/images/EP_14_H-L0.jpg)
Weight, Size, & Shape Requirements Use USPS Priority Mail Express Flat Rate Envelopes and pay one price:
![Priority mail expressâ„¢ padded flat rate envelope](https://cdn2.cdnme.se/5447227/9-3/screenshot_1_64e629469606ee7f889a24a7.jpg)