Fusilli-80 | This luxuriously soft yarn is a thick and thin silk yarn with short clubs of white cotton marbling randomly throughout. 80% Silk 20% Cotton, 3 ply. Suggested needle size US 3-5. Weaves at approximately 16 PPI. Hand wash cool, lay flat to dry. One ball is 25 grams, 140-150 Meters - Cone 50 grams 280-300 Meters.