Premier Yarns-Safari Yarn. This super bulky yarn is perfect for knitting and crocheting projects! Weight category: 6. Content: 100% Polyester. Putup: 4oz/113g; 49yd/45m. Gauge: 5.5sts x 7r = 4in/10cm on size US15/10mm knitting needles. Suggested crochet hook size M13/9mm. Dyelotted: we try but are not always able to match dyelots. Care: Machine wash, dry flat, do not bleach, iron safe, dry clean with P solvents only. Comes in a variety of colors. Each sold separately. Imported.