Each ball weighs 200 grams and has 800 meters. This is a medium weight yarn and we recommend using size 6 - 8 (U.S.)/(4 - 5 mm) knitting needles Only one ball of yarn is required to make a shawl or scarf. To make a 4x4” tension square work 25 sts and 21 rows. Machine washable up to 30º using a short spin cycle. Do not tumble dry.