With yellow, red, blue, and green colors, this package of Super-Lon (S-Lon) cord is perfect for bright, colorful designs. In this package you will find 4 bobbins of extra-heavy #18 twisted nylon multi-filament cord. S-Lon is great for stringing, bead crochet, and micro-macrame jewelry. It is similar in weight and texture to upholstery thread and avoids stretching. Each spool contains approximately 77 yards of nylon cord.