Super Strong 40 wt. polyester thread is an excellent choice for machine quilters looking for a strong, reliable thread. Made from high-strength, lint-free multifilament polyester fibers, this thread stitches smoothly through your quilt sandwich without breaking. It has a medium sheen that is subtle enough for background quilting, while denser stitch patterns highlight its vibrant colors. Super Strong handles high-speed stitching with confidence, performing flawlessly even at 3,000 stitches per minute. If you have been looking for a thread that is lint-free and will not break, this is it! 4,000 yards per cone.