Sport Weight: 50 grams / 191 yards 40% Wool, 40% Silk, 20% Viscose Gauge: 24 stitches = 4 inches; Needles: US 5; Crochet Gauge: 16-20 stitches = 4 inches; Hook 3.5-4.5mm (US E-7) Care Instructions: Hand wash, dry flat, low heat iron