SPINRITE-Baby Blanket Twist Yarn. This super bulky weight yarn is perfect for all your baby knitting and crocheting projects! Weight category: 6. Content: 100% polyester. Putup: 3.5oz/100g, 81yd/74m. Gauge: 8stx13r = 4in/10cm on size US11/8mm knitting needles. Suggested crochet hook size USK/6.5mm. Dyelotted: we try but are not always able to match dyelots. 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.