Item/packaged item/packaging unit & THU Configuration

Hi All,

I need help in modelling below scenario .
Items are transported in carton boxes . Can someone help me in model this ?

Refer below example for details
- Soap Bars are transported in carton boxes. There is no palletisation .
How will be the item/packaged item/packaging unit & THU will be configured ?

Thanks for reading the post .

Regards
Manish Chaudhary