Founded in 1983, Aurifil began with one simple mission: to provide professional sewists with a high performance line of threads. After filling the market with a range of colored cotton, Aurifil has solidified its place as a reliable supplier of superior quality threads. Available in five colorful sets and one nuetral set, the Aurifil thread collection gives you everything you need to stitch together your next quilted creation. Featuring 12 spools, each 50-weight spool is made from 100% cotton and comes with 1422 yards of thread. the thread is the finest weight that Aurifil produces, making it perfect for intricate quilting and other precision work.