Cascade Yarns - Cascade Pacific Worsted Yarn Navy #47 Size: [4] Worsted. Composition: 40% Superwash Merino Wool, 60% Acrylic Weight: 100 g / 3.5 oz. Approx:213 yds Knitting Needle Size: US 7 - 8 /4.5 - 5.0 mm. Knitting Gauge: 4.5 - 5 sts = 1". Crochet Hook Size: H / 5.00 mm (I / 5.50 mm, J / 6.00 mm). Crochet Gauge: 15 sc = 4" (10 cm) (14 sc = 4" (10 cm), 13 sc = 4" (10 cm) Care: Machine Wash Warm. Tumble Dry Low.