Lang Yarns Virginia knitting yarn is composed of 100% virgin wool and knits on knitting needles 9-10 mm for a gauge of 9 st. and 14 rows.
In a 100g (3.5 oz) ball there are about 50m (54 yd) so for quantities of yarn plan:
600g = 12 balls for men size M
500g = 10 balls for women size M
350g = 7 balls for children 10 yrs
Machine wash at 30°C (86°F) with detergent for wool without fabric softener.