1)100% Tussah Silk Water Reeled,Grade 2A, A, B, ... quality, low price 4)Prompt deliv It is the raw material for the production of other silk yarns and ... material: 100% mulberry raw silk2. specification: 20/22,27/29,40/443. quality: 4A, 5A, 6A4. colour: natural white,or dyed ... color5. packing: 30kgs/carton, 60kgs/bale 100% Mulberry Raw Silk Yarn