We are offering Twisted/Thrown Silk Yarn in different specification such as 40/44D 300-330s 2ply,pls check the details as below: 1.Material: 100% Silk 2.Yarn Type: Twisted/Thrown Silk Yarn 3.Technics: Ring Spun 4.Twist: 300-330; 700-800; 2600 and so on 5.Specification: 20/22; 27/29; 40/44 6.Ply: 2ply, 3ply, 4Pply We also will make the thrown silk yarn in different yarn according to your requirement.