Polyester monofilament invisible thread. 2,400 yds. Matte-finish SMOKE
Please note: this thread is about as clear as you can get! Make sure to use in good light. This monofilement is perfect for darker fabrics.
FOR BEST RESULTS:
✓ Use a topstitch needle #80/12
✓ loosen your top tension to between 1.5 - 3.0
✓ Use the Bottom Line in the bobbin