That's why I would have steered away from online vendors...I don't speak textile so, for me, better to feel the material and judge it's suitability by hand.
Of course, this stuff apparently varies in thickness, as the 32oz measurement varies by density. So, effectively, the definition of its thickness cannot be conveyed by the weight. Cute. And like an idiot, I apparently forgot to photograph the label at JoAnn when I was there.