From the web page:

Sjöalyckans Schappe Silk Nm30/2 is our thinnest yarn. It is a 2-ply filament yarn with 15000 meters/kg. It is sold in skeins of 100 grams= 1500 meters or on spools of 3 grams = 45 meters.

This yarn works great for techniques that requires thin yarn. Excellent for weaving, lace making, tatting, webbing, crochet, knitting, and all other types of yarn techniques.