Gravity from Katia is an extra thick multicolor wool. It consists of: 80% acrylic and 20% virgin wool. Each skein is composed of 100 grams and 90 meters. Work with knitting needles of 8 to 9 mm and crochet hook 7 to 8 mm. To knit a sweater in size 42 long sleeve use 5 balls. Machine washable up to 30 ° C. Board 110ºC.