I don't remember who I said I would respond to when I found a source. So, I'll just put it on for all to see. I found Style L poly cardboard-sided bobbins called superbob's at www.superiorthreads.com I haven't ordered any yet, so I can't say anything about them, just that I found them. Michele Zimmer Carefree Creations Michele@xxxxxxxxxxxxxxxxxxxxx www.CarefreeCreations.com