PREMIER YARNS-Deborah Norville Collection Serenity Chunky Weight. Super soft and quick to work up. Perfect for quick weekend projects: afghans, socks, booties, hats, scarves and much more. Weight category: 5, 100% acrylic, 3.5oz/100g and 109yd/100m. Recommended knitting needles: 9(5.5mm), 10(6mm), 10.5(6.5mm) and 11(8mm) and recommended crochet hooks: K10.5(6.5mm), L11(7mm) and N13(9mm). Care: Machine wash gentle, tumble dry low, do not bleach, do not iron, do not dry clean. Imported.