What is meant by 2 skeins
a skein is what the yarn comes in when you buy it. if a pattern calls for 2 skeins of a certain yarn you need to buy 2 things of yarn.
Is it still called "skein" when it's a big ball of 100 g ?
if its in a ball then no but if it hasnt been balled then yes. even when you buy a big 225 gram of red heart its still a skein