Size AA beading thread in Charcoal (a dark gray). For full details regarding this thread, please see the Size AA Thread main page, here. For purposes of comparison, S-Lon (Superlon) is identical to C-Lon - made by the same manufacturer, but sold under different brand names. We stock both brands, and the thread we send you may be either one.
Due to monitor variations, colors may appear slightly different in real life.