When generating shipping labels, you would like to select a "Pre-Defined" package type such as USPS Flat Rate Padded Envelope, here's how:
- Click the blue 'SHIP' button on any order in the 'Needs to Ship' section
- In the "Create Shipment" slider that appears => Toggle on the "Use Predefined Package"
- Select the package type from the "Package Type" dropdown
- Click "GET QUOTES"