Thanks, Jan, for posting those!
The brand name is Stahl or Amore. It also says 100% Orlon and 100% Polyacryl. Each ball is 50 g, 2-fach (which I believe means 2-ply). I've got at least 10 balls with one or two balls of other colors. I've found things that are lace projects for fingering weight, but they often need to be blocked and acrylic yarn, as I understand it, doesn't block well.