Lang Yarns Filo knitting yarn is a cotton yarn composed of 75% cotton and 25% nylon for extra strength. This yarn knits on knitting needles 3-3.5 mm (US 3-4 / UK 10-9) for a gauge of 25 stitches and 34 rows.
In a 50 gram (1.75 oz) ball there are about 200 meters (218 yd) so plan on:
450 g = 9 balls for men size M
300 g = 6 balls for women size M
150 g = 3 balls for children 10 yrs.
Machine wash at 30°C (86°F) with detergent for wool without fabric softener.