Specially designed for use in the bobbin for embroidery, sewing, and quilting. Generally a lighter weight (50wt or 60wt). There are typically fewer problems with bobbin threads than with top threads since bobbin thread does not go through a needle.
White YLI Poly Style L Bobbins 12ct No Sides
YLI Poly Filament No Sides Pre-wound Bobbins
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