When entering The Netherlands you're allowed to bring tree reps into The Netherlands, info @ http://www.douane.nl/particulier/reizigers...html#P227_20886
No I am not kidding. Not this time. Read this, it is in English from the site from Customs from The Netherlands:
http://www.douane.nl/particulier/reizigers...html#P224_20785
Welcome from The Netherlands r8247, enjoy the reps you will have. I don't have any experience on iOffer, just search on this forum and you will find someone who has.