|COATS & CLARK-Red Heart Chunky Yarn. This is a soft acrylic yarn which knits or crochets up quickly. Interesting prints create subtle patterning that gives Chunky garments lots of color depth. Use for everything from apparel for adults to kids; afghans to accessories. Weight category: 5; 100% acrylic; 3.5oz/100g; 138yd/126m. Gauge: knit 12st x 17r = 4in/10cm on size US10.5/6.5mm needles; 11sc x 15r = 4in/10cm on size K10.5/6.5 hook. Care: machine wash cold; tumble dry; do not iron. Imported.