BERNAT-Twist 'n Twirl Yarn. Use this fantastic ruffle yarn to create a scarf quickly! Weight category: 4. Content: 100% acrylic. Putup: 3.5oz/100g, 33yd/30m. The needle size and gauge is variable due to special technique required to knit this ruffle yarn. Dyelotted: we try but are not always able to match dyelots. Care: machine wash and dry, do not bleach, do not iron, do not dry clean. Imported.