September 2015, on eBay Germany starts the new eBay loyalty program, called "eBay PLUS".
More informations on eBay.de:http://verkaeuferportal.ebay.de/ebay-plus
Now you have the option to activate manually listings for this eBay PLUS program. Currently, the function of activation per listing supplies eBay itself and some specific third party providers.
So the possibility the set den eBay PLUS option (by attribute) in the magento product catalog for each product and the proper call in the policies to this attribute should be fine solution.