Premier’s blend of recycled cotton with polyester produces softer, more durable and more colorfast projects in knitting or crochet. Its huge range of solids, marls and exciting prints makes it easy to find the perfect color to compliment your decor. 85% Cotton, 15% Polyester. 1.94-ounce/55-grams, 96-yards. #4 medium weight. Machine wash, tumble dry. Crochet gauge, 1-9 (5.5mm) hook: 14 sc & 16 rows = 4-inch (10.2cm). Knit gauge in st st, US 8 (5mm) needles: 18 sts & 24 rows = 4-inch (10.2cm). Not for use in microwaves.