Lang Yarns Bloom knitting yarn, color 0073, is composed of 70% cotton, 18% viscose, 12% linen, knits on knitting needles 3-3.5 mm (US 3-4 / UK 10-9) with a gauge of 22 st. and 33 rows.
In a 150g (5.29 oz) ball there are around 450 m (492 yd) so allow:
600g = 4 balls for men size M
450g = 3 balls for women size M
300g = 2 balls for children 10 yrs
Machine wash at 30°C (86°F) with detergent for wool without fabric softener.