Yarn Weight: Lace #0 Fiber Content: 70% Superfine Merino wool, 30% Silk Yardage: 230 yards / 210 meters / 25 grams Gauge: 22 stitches = 4 inches Needle Size: US 7 -8 / 4.5 -5.5 mm / Hook: US H Care Hand wash cool, lay flat to dry.