Add Airmail Parcel Post as  shipping method for P90 product for the representative page(Holland &amp; Alex)
Note:P90 airmail parcel post have different shipping prices.

Canada 
1 or 2 pickups = 17 USD
3 pickups = 28 USD

USA
1 or 2 pickups = 16 USD
3 pickups = 26 USD

Russia
1 or 2 pickups = 17 USD
3 pickups = 25 USD