Cascade 220 Superwash (803 Royal Purple) 100% Wool Yarn: Medium / Light Worsted DK Weight 100% Superwash Wool Knitting Needle Size: US 6 - 7 / 4.0 -4.5 mm Gauge: 5.5 sts per inch on US#6 (4mm) or 5 sts per inch on US#7 (4.5mm) Wt / Yardage: 100gm / 220yds Wash: Machine wash cold tumble dry cool.