...
You can setup your defaults and specify Length, Width, Height or Weigth.
When enabling the default on a package you can autoinsert a pacakge line in the sales order. (Only if you enable the function in the ShipIT SetuoSetup)
Important to know. If you a carrier does not have specified the packages in the Easypost portal and you do not want to manual add a description you can insert setup your package description on the line and click carrier selection.
...
own default package for this in the providers setup.