1)100% Tussah Silk Water Reeled,Grade 2A, A, B, C 2)Newly manufactured ... It is the raw material for the production of other silk yarns and fabrics. Our main specifications are 20/22D, 27 ... /29D, 40/44D.1. material: 100% mulberry raw silk2. specification: 20/22,27/29,40/443 ... : natural white,or dyed color5. packing: 30kgs/carton, 60kgs/bale 100% Mulberry Raw Silk Yarn