PREMIER YARNS-Deborah Norville Serenity Chunky Heathers.If you love soft, heathery yarns, Serenity Chunky Weight Heathers is the yarn for you. Six color blends are perfect for mixing and matching, and since this is the same weight as all Serenity Chunky yarns, you'll be able to mix and match with them, too! Weight category: 5, 100% Fine Acrylic, 3.5oz/100g, 109yd/100m. Suggested knitting needles sizes US 9/5.5mm-US 11/8mm. Suggested Crochet hooks sizes US K/10.5mm-US M/13mm. Dyelotted: we try, but are not always able to match dye lots. Easy care: machine wash, tumble dry, do not bleach, do not iron, do not dry clean. Imported.