That's my favorite thread in the world and worth every penny. And, yes, it lasts forever and my Bernina loves it. The one thread that I think is the worst, and I've tried out many of them, is Gutterman. It frays and doesn't appear to be very strong. I've never understood why JoAnn's carries so much of it. Back to Aurifil, it is harder to find it so when I do, I buy several white, cream and grey's.