Summer knitting was created for this yarn. Vivo is a 100% cotton, self-striping yarn in sport/DK weight (#3). Each 100 gram skein contains 317 yards of beautifully colored cotton. A US 6 needle and US G hook are recommended for a gauge of 22 stitches per 4 inches in knitting and 20 sc in crochet. Machine wash cold on the delicate cycle and lay flat to dry.