These mittens are thight fitted, are supposed to be. The pattern only have one size because it can easily be modified in the length by measuring the lenght of the recipients hand. If you choose to knit with needles #3 it will be a little bit bigger.
You can choose between the regular alpaca, or the baby apaca silk from Drops Garnstudio. You can even use Baby Merino. You will need 2 skeins for these mittens, one in each colour.

This patterern exists in both english and norwegian, so please read carefully the charts, some are explained in words in the english version.