Prewound Class 15 Bobbins 40ct With Bobbin Ring in Black and White

Select 80wt Para-cotton Poly thread makes for the perfect bobbin thread. These pre-wound bobbins have no resins or glues holding the thread to the bobbin for a clean sewing experience. The convenient case has a clear lid to keep dust off of the bobbins while leaving them visible. Each slot is labeled with the thread color to make matching easier. * Color: Black and White * Size: Class 15 * Length: 135yds per bobbin * Count: 40 * Includes: 20 white and 20 black bobbins