Lang Yarns Happiness knitting yarn, part of the Wool Addicts collection, is composed of 65% cotton and 35% nylon, knits on knitting needles 5.5-6 mm (US 8-9 / UK 5-4) for a gauge of 18 st. and 26 rows.
In a 50g ball (1.75 oz) there are abut 135 m (147 yd) so for quantities to knit :
500g = 10 balls for Men size M
350g = 7 balls for Women size M
250g = 5 balls for Children 10 yrs
Machine wash 30°C (86°F) with gentle detergent for wool without softener.