Para-Cotton-Poly 80wt threads by Alex Anderson are perfect as embroidery, general sewing, precision piecing and stippling on a variety of machines - embroidery, quilting, sergers and handiwork. Zero chemicals are added to ensure even tension and to maintain unhindered delivery of the thread. These bobbins are compatible with top thread in any size with minimal adjustment to bobbin tension. Available in 40 colors. Consistent in tension to give regular and even stitching. Reduces buildup of bobbin thread to enhance your project results. Rich in texture, ideal for gripping. Includes 10 pre-wound bobbins. 135 yards of thread per bobbin.