STRENGTH Premo-Soft is a strong, durable thread with a cotton like finish. LOW-LINT Premo-Soft is made from quality polyester thread without all the lint and fuzz that can build up in your machine. Serger Thread Premo-Soft is a fine 50wt thread that creates smooth, non-bulky seams. The large 3,000yd spool option is perfect for the serging process which uses a lot of thread. COLOR-FAST Premo-Soft is washable, color-fast & provides superior resistance to abrasion & chemicals. A trustworthy thread you can rely on over the years when longevity matters.