US Postal Service announces new prices and services for 2013 > <p style=font-size:20px>U.S. Air Forces in Europe & Air Forces Africa</p> > Article Display
![USPS Priority Express Mail Flat Rate Envelopes | U.S. Postal Service Priority Express Mail Flat Rate Boxes | United States Postal Service Express Mail | Express 1 USPS Priority Express Mail Flat Rate Envelopes | U.S. Postal Service Priority Express Mail Flat Rate Boxes | United States Postal Service Express Mail | Express 1](https://www.express1.com/images/domestic_usps.gif)
USPS Priority Express Mail Flat Rate Envelopes | U.S. Postal Service Priority Express Mail Flat Rate Boxes | United States Postal Service Express Mail | Express 1
![USPS Flat Rate Box Shipping Sizes and Price Breakdown - How to Enable Flat Rate Boxes on WooCommerce - ELEXtensions USPS Flat Rate Box Shipping Sizes and Price Breakdown - How to Enable Flat Rate Boxes on WooCommerce - ELEXtensions](https://cdn.elextensions.com/wp-content/uploads/2018/07/usps-flat-rate.png)