For the dressing:  Combine 1/2 c cider vinegar, 1/3 c canola oil, 1/3 c sugar and 1 t celery seeds...set aside.
In large bowl, combine 1 c coarsely chopped walnuts and 1 cup dried cranberries (Craisins), 2 cups each finely sliced red and green cabbages, and 1/4 c thinly sliced red onion.
Pour dressing over mixture and toss to coat.  Cover and refrigerate 3 hours before serving.  Stir salda and drain liquid just before serving.   Enjoy