PREMIER YARNS-Deborah Norville Cotton Soft Silk Yarn. Soft breathable cotton is combined with exquisite silk to create this yarn that is great to use for spring and summer projects. Weight category: 4; 78% cotton and 22% silk; 154yd/140m. Gauge: 17st x 23r = 4in/10cm on size US7/4.5mm knitting needles. Suggested crochet hook size US I9/5.5mm. Care: hand wash; lay flat to dry; do not bleach; do not iron. Dyelotted. Imported.