PREMIER YARNS-Deborah Norville Collection Serenity Sock Yarn. A combination of super-wash Merino wool, nylon and soft bamboo. Projects maintain their drape and softness through machine washing and drying. Perfect for socks, but you'll love this yarn for shawls, baby blankets and sweaters, too! Weight category: 1, 50% Merino Wool/25% Bamboo/25% Nylon, 1.76oz/50g and 230yd/210m. Recommended knitting needles: 1(2.25mm), 2(2.75mm) and 3(3.25mm), recommended crochet hooks: B1(2.25mm), C2(2.5mm), D3(3mm) and E4(3.5mm). Care: Machine wash gentle, tumble dry low, do not bleach, do not iron, do not dry clean. Imported.