Originally Posted by amma
Some of the bobbin thread is thinner, used for piecing, and I think many like it because a bobbin lasts a lot longer. :D:D:D I think some even use it for quilting.
You know, you are right about it lasting longer! I noticed that. I guess because it is lighter weight more fits on the bobbin? It does seem to take noticeably longer for the bobbin to wind with this thread.