This is a great, basic Aran weight wool yarn.Lovely Aran (worsted) weight yarn from Rico. Lovely and soft and machine washable!! You'll need approx. 600 g (12 balls) for an average woman's size 40 sweater. Loop has all 36 colours.Composition: 100% Merino wool.Weight and yardage: Approx. 50g - 100m / 109 ydsNeedles: 4.5-5mm / 7-8 US Wash: Machine wash at 30 degrees or dry clean. Lay flat to dry.Tension: (10 x 10cm, or 4" x 4") : 18 sts