Mary Maxim Prism Yarn - Blue Lagoon simpleupdate2 Gauge: 22 sts. and 28 rows to 4" (10.16 cm). Ball Weight: 3.5 oz (100 g), Yarn Length: 290 yds (265.176 m). Suggested Knitting Needle Size: 2 (2.72 mm), Suggested Crochet Hook Size: C-2 (2.75 mm) . 100% Acrylic. Machine Wash, Tumble Dry.