Lang Yarns Canapa knitting yarn is composed of 100% hemp and knits on knitting needles 3 mm (US 3 / UK 10) for a gauge of 22 st. and 34 rows.
The 25g (0/875 oz) balls contain around 80 m (87 yd) so allow:
450g = 18 balls for men size M
350g = 14 balls for women size M
250g = 10 balls for children 10 yrs
Machine wash at at 30°C (86°F) with detergent for wool without fabric softener.