It's about 1oz of superwash BFL, spun into a continuous single, wound into a center-pull ball, the inside and outside ends held together and wound into a plying ball (on an tennis ball) and then plied. The plying ball was interesting in a tangly sort of way, but I would try it again at some point in the future.
12 wpi (dk weight)
The fiber (I dyed this one myself):
My stash page on Ravelry.