by Spinrite. PATONS-Cha Cha is an eyelash yarn with attitude. The eyelash fibers are wavy giving the completed project a softer less extreme look. The spun wavy fibers give Cha Cha a very soft hand. 100% nylon. 1 3/4 ounces (50 grams) 77 yards. Gauge: 4=11 stitches on size 11 needles/crochet hook L11. Dyelotted. Hand wash dry flat. The type of this product is KnitAndCrochet-Yarn.