RED HEART-Boutique Ribbons. The newest ruffle yarn with a touch of metallic! It is super easy to use and one ball makes an amazing scarf! Weight category: 6. Content: 75% acrylic; 25% polyester; 3.5oz/100g; 42yd/38m. Gauge: Knit: 12st x 10r = 4in/10cm on US8/5mm needles; Crochet: 8sc x 10r = 4in/10cm on J10/6mm hook. Care: Hand wash gently in cold water; lay flat to dry; do not bleach; do not iron; may be dry cleaned with any solvent except trichloethylene. Imported.