A friend (E's babysitter until she moved) just got married and they live in Austria.

I want to send something--they didn't have a big wedding or reception. In fact, it looks like they got married at some church or town hall or something in Sweden....but I'd like to send something. I don't want to send anything heavy (obv) and a money order or cash just seems impersonal. And I don't know what housing is like in Austria, but I don't want to add clutter to what is likely an apartment.

Any ideas?