I found a matching listing on Amazon (with the expected deluge of one- and two-star reviews); I won't link it because fuck Amazon, but here are the two prominent product pictures:
My favorite part is the inexplicable extra angle on the top book that made it into the actual cup.
It's Dutch with a few cute changes, I think. My Dutch is very weak, but I believe it'd be:
which gives a rough literal translation of something like:
i.e. "we're working hard to sort this out, but maybe it'd be better if you cycled"