Passing the info to paypal is the same as passing it to the Cart page or to the email.
create the calcualtion to contcatinate the name and the options:
Set the Type of the new calculation to text and the name to "NameOptions", the calculation should be:
[Name] . ' Color:' . [colorColumnName] . ' Size:' . [sizeColumnName]
then edit the codwe to display the name on the cart page or in the email:
to use the new calculation that includes the options concatenated: