Sensations Rainbow Boucle Yarn- Turq. Shimmer 75% acrylic, 16% Polyester, 9% Nylon 11oz, 312 grams, 614 yards,561 meters 4 Inch =13 stitches by 16 rows on size 10 knitting needles Suggested crochet hook: K-10.5 We will try to match dyelots, but dyelots are not guaranteed