what class of mail is usps ground advantage

what class of mail is usps ground advantage refers to USPS’s Ground Advantage, a service that is categorized under the “Standard Mail” class. USPS Ground Advantage is typically used for larger or heavier parcels and offers an affordable shipping option compared to expedited services. It offers tracking and delivery within a few days, depending on the distance. This service is ideal for businesses looking to ship heavy goods or larger packages at a cost-effective rate.