Real 100% pure silk ribbon, sewn end to end to make a continuous ribbon. Each skein yields approx. 155-185 feet, approx. 100 grams per skein. Each Silk Skein is unique, handmade from upcycled and reclaimed silk, bright multicolored silk. Hand wash cold. Great for knitting, weaving, crochet, rug making, patchwork, tassels.