Lang Yarns Quattro knitting yarn, very inexpensive, is a knitting yarn composed of 100% mercerized cotton and knits on knitting needles 3-4 mm (US 3-5 / UK 10-8) for a gauge of 24 stitches and 32 rows.
There are about 120 meters (132 yd) in a 50 gram (1.75 oz) ball so allow:
700 g = 14 balls for Men size M
600 g = 12 balls for Women size M
400 g = 8 balls for Children 10 yrs.
Machine washable at 40°C (104°F) with detergent for wool textiles without softener, iron on medium.