I'm doing a bit of on-line browsing today and came across pre-wound bobbins in a variety of attractive color tones. They seem awfully convenient.
I have a Janome 4800QE and have yet to see pre-wound plastic bobbins with 100% cotton thread. I'm kind of reluctant to use cardboard-sided bobbins and, besides, I really don't want to use poly thread in the bobbin if I'm using cotton thread on top. What has your experience been with pre-wound bobbins? Thanks everyone!! I'll be waiting to hear from you.