Katia Merino Super Sport, is a classic very soft wool. It is machine washable up to 30 °, tumble dry and low iron. Composition 98% Wool Merino Superwash and 2% Polyester Each ball is 50 grams and 60 meters long. You can knit with knitting needles 6-7 mm With 14 balls you can knit a sweater size 42.