Quilt Central Academy.com

White
These pre-wound bobbins are 100 percent cotton the long stapel egyption cotton. The core is magnetic and replaces the need for a backlash spring in the bobbin case as it stops coasting of the bobbin. They come 100 in a box. (pictured in red because the photo is better)
Item#QCA102sizeL

Box of 7 tubes with 10 bobbins per tube color= Tan

Item#QCA103SizeL

Box of 7 tubes with 10 bobbins per tube. color = Cream
Item# QCA104sizeL

Box of 7 tubes with 10 bobbins per tube. color = Black
Item#QCA105sizeL