Red Heart-Baby Hugs Medium Yarn. An ultra soft premium acrylic, Oeko-Tex certified yarn in a worsted weight. Perfect for baby, toddler and kids projects. Weight category: 4. Content: 100% Acrylic. Putup: 4.5oz/127g, 247yd/225m. Gauge: 16sx22r = 4in/10cm on size US9/5.5mm knitting needles. Suggested crochet hook size US K-10.5/6.5mm. Dyelotted: we try but are not always able to match dyelots. Care: Machine wash, tumble dry low, do not bleach, do not iron, dry clean with P solvents only. Comes in a variety of colors. Each sold separately. Made in USA.