Premo-Soft from Fil-Tec/Hab+Dash is a fine 50wt core-spun polyester thread that creates smooth, non-bulky seams.  Premo-Soft is a strong, durable thread with a cotton like finish. Premo-Soft is washable, color-fast & provides superior resistance to abrasion & chemicals. Premo-Soft A trustworthy thread you can rely on over the years when longevity matters. Premo-Soft is made from quality polyester with low lint and fuzz. Cone: 3,000 yards.  Spool: 670 yards.