"Flex" Beurtenkaarten

Vrij in te zetten credits

10 credits --> 4 maanden geldig / 25 credits --> 10 maanden geldig / 50 credits --> 18 maanden geldig

Credits that can be used in any way

10 credits --> valid for 4 months / 25 credits --> valid for 10 months / 50 credits --> valid for 18 months