Spinrite-Caron United Yarn. This medium weight yarn is perfect for all your knitting and crocheting projects! Weight category: 4. Content: 100% acrylic. Putup: 4oz/113g, 235yd/215m. Gauge: 17sx23r = 4in/10cm on size US8/5mm knitting needles. Suggested crochet hook size H8/5mm. Dyelotted: we try but are not always able to match dyelots. Care: Machine wash, dryer safe, do not bleach, do not iron, dry clean with P solvents only. Comes in a variety of colors. Each sold separately. Made in USA.