Red Heart-Strata Yarn. This yarn is perfect for accessories, fashions and home decor! Weight category: 5. Content: 76% Acrylic/24% Nylon. Putup: 3.5oz/100g, 95yd/86m. Gauge: 13sx18r = 4in/10cm on size US11/8mm knitting needles. Suggested crochet hook size US 11/8mm. Dyelotted: we try but are not always able to match dyelots. Care: machine wash cold, machine dry, do not iron, do not bleach, dry clean using P solvents. Comes in a variety of colors. Each sold separately. Imported.