The United States Postal Service (USPS) introduced a new domestic shipping service called USPS Ground Advantage™ which combines the services currently offered through:

* USPS Retail Ground

* Parcel Select Ground

* First-Class Package Service

Highlights

* USPS First Class mail had a max weight of 13oz → with Ground Advantage, packages will now have a max weight of 70lbs

* When purchasing a Ground Advantage label through InkSoft, you will be prompted to check whether or not your package has hazardous materials

* List of prohibited / restricted items: https://pe.usps.com/text/pub52/pub52apxd.htm#ep292752