HiKoo CoBaSi Multi (814 Wave Caps) Yarn: Fingering Weight Sock yarn, 55% Cotton yarn, 21% Nylon / Polyamide, 16% Rayon from Bamboo blend, 8% Silk Needle Size: US 1 - 4 or 2.25 - 3.5mm Gauge: 6.5 to 8.0 sts = 1 inch Wt / Yardage: 220 yards(201 meters) Care: Machine Washable, Made In Taiwan