From the seller: “A new silk content yarn. The yarn need vaporizing after knitting, otherwise it may not feel as soft as silk.

Fiber Content : 100% Silk
Needle Size : 3 mm. US 3 UK 11
Brand : ICE
Weight Type : 2 Fine: Sport, Baby
Length : 400 meters / 437 yds.
Weight : 50 gr. / 1.76 oz.“