Lang Yarns Setayak novelty knitting yarn is an ondulated yarn composed of 64% wool, 18% yak wool, 18% silk and knits on knitting needles 6-7 mm (US 10-10,5 / UK 4-2) for a gauge of 13 st and 20 rows.
There are about 90 m (98 yd) in a 50g (1.75g) ball so for quantities to knit plan:
450g = 9 balls for men size M
350g = 7 balls for women size M
250g = 5 balls for children 10 yrs
Hand wash with a detergent for wool without softener.