8.7 yard skein. DMC Satin Floss (formerly known as Rayon). Colorfast, washable and dry cleanable. Satin floss is a divisible, six-strand 100% rayon thread. This shiny, lustrous thread can be used by cross stitchers and embroiderers for basic and advanced stitches, particularly when used as an accent to other threads like DMC embroidery floss.