Cascade Yarns - Cherub Aran - Dark Denim 55 This acrylic and nylon blend of yarn is really soft and perfect for blankets and garments that will be washed and dried. So if you are knitting for babies, toddlers or children, or you want to crochet yourself a working cardigan, this yarn will be perfect! Size: [4] worsted Fiber: 45% Acrylic, 55% Nylon Care: Machine Wash Warm. Tumble Dry. Weight: 100 g / 3.5 oz. Approx: 240 yds / 220 m. 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) (13 sc = 4" (10 cm), 12 sc = 4" (10 cm)