The world is awash with suitcases. On arrival, toss or give away the one you packed.
When you arrive in Amsterdam, go on Marktplaats.nl or 2dehands.nl and buy one of the gazillion that Dutch people are desperately trying to get rid of.
They're called 'reiskoffers' there. You could even set up the deal before you start.
Use the suitcase to get back home, then again on the outbound segment of the following trip.