Earth by Katia. Composed of: 52% Merino Wool Superwash and 48% Recycled Polyester. Work with 3.5-4.5mm knitting needles and 3-3.5mm crochet hook. Each skein contains 50grs. And 225m. To weave a long-sleeved sweater in size 42, 5 balls are needed. Machine wash max. 30 ° C. Ironing at low temperature.