The listing, Chenille Yarn - Knit or Crochet has ended.
The black has no label, but is only a little lighter than the other, and about the same thickness as the other. Crochet size j/10 and knitting size 9 is recommended. The multi-color is weight medium/4, 2.5 ounces, and about 100 yards/92 meters. It's acrylic, rayon, and only eater. Hand wash and lay flat to dry.