Cascade 220 Wool Yarn #8505 White Fiber Content: 100% Peruvan Highland Wool; Net Weight: 100 g / 3.5 oz Yarn Weight: 4 - Medium/Worsted/Aran; Length: 200 m / 220 yards Needle Size: 4.5 - 5 mm / 7-8 US; Gauge: 18-20 sts = 4 ins / 10 cm Texture: Plied Care: Hand wash and lay flat