Single ply undyed Merino WoolFiber: 100% Fine Merino WoolWeight: FingeringYardage: 440 yds / 402m / 100g / hankGauge: 7 - 8 sts = 1"Needle size: US 1 - 3 (2.25 - 3.25mm)Hook size: US B/1 - D/3Care: Hand Wash, Lay Flat to dry