Cascade Yarns - Heritage Silk - White #5682 Heritage Silk is a super-soft yet durable yarn that is machine washable and dryable because of its blend of superwash merino wool and silk. Heritage Silk has a lovely drape and subtle sheen throughout the yarn at 437 yards, this yarn is great for lace shawls of all sizes. It's perfect for color work or a one skein project such as socks, mitts and other fun accessories. Size: [1] fingering Fiber: 85% Merino Superwash Wool, 15% Mulberry Silk Wt / yds: 100gr (3.5 oz) / 437yds (400 m) Care: Machine Wash Warm Gentle /Tumble Dry Low Heat Knitting Needles/Gauge: US 1-3 / 7.5-8 sts = 1". Crochet Hook Size: C / 2.75 mm (D / 3.25 mm, E / 3.50 mm). Crochet Gauge: 25 sc = 4" (10 cm) (23 sc = 4" (10 cm), 22 sc = 4" (10 cm).