A1 Packaging for posters sent in flat

Hi,

I plan to sell A1-size posters and want to understand how FBA does the packaging.

I can send in a shipment of 100 A1-size posters flat-packed.

Will Amazon FBA roll it and put it in a tube for the fulfilment fee provided in the rate card?

I understand the best practice would be for me to roll it and package it in tubes. However, I would like to understand if Amazon already covers this as part of the fulfilment fee.

Thanks