1) 100% silk yarn twist 2) Specification:20/22D,27/29D,40/44D, f1,f2, ... in Huzhou ,Zhejiang . We make high quality raw silk and twist silk yarn /organzine silk export to the world . (certificate for raw ... ,6A4. colour: natural white5. packing: 30kgs/carton, 60kgs/baleAlso twist silk yarn we can offer .20/22D f1 S650×2Z650 44"65g20 ...