What kind of paint should I use to decorate martini glasses, something that won't wash off easily, or at all?

I want something that is hand washable, and will stick to the glass for a long time.What kind of paint should I use to decorate martini glasses, something that won't wash off easily, or at all?
There are epoxy-based paints that will survive hand-washing. That is what a lot of hand-washables are decorated with at the factory.What kind of paint should I use to decorate martini glasses, something that won't wash off easily, or at all?
Make sure they drink a lot of martinis,in your clear glasses, and after they get drunk tell them how do you like the way I decorated my glasses I'm sure they will love em
there is special glass paint for that purpose. Go to Hobby Lobby or Michaels.
Oil based...
This could be poisonous