What is the maximum weight and combined girth for USPS Retail Ground pieces?

The maximum weight for USPS Retail Ground pieces is indeed 70 pounds, and the combined girth measurement must not exceed 108 inches. Combined girth is calculated by taking the distance around the thickest part of the package plus its length. Retail Ground service is designed to accommodate heavier parcels that fall within these limits, making it a suitable option for shipping large or bulky items that do not require expedited delivery.

While other options provide different weight and girth limits, they do not meet the specifications outlined by USPS for Retail Ground service. It is important to adhere to these specific dimensions and weight regulations to ensure packages can be shipped through this method without any issues.