SPINRITE-Baby Blanket Big Ball Yarn. This super bulky weight yarn is perfect for all your baby knitting and crocheting projects! Weight category: 6. Content: 100% polyester. Put-up: 10.5oz/300g 258yd/234m. Gauge: 8sx13r = 4in/10cm on size US11/8mm knitting needles. Suggested crochet hook size L11/8mm. Dyelotted: we try but are not always able to match dye lots. Care: machine wash dry low do not bleach do not iron do not dry clean. Comes in a variety of colors. Each sold separately. Imported.