... -colour fastness,not easy to fade away -abrasion 50%Polyester 50%Nylon Stitch Series ,Fusible Interlining,Double Dot1.Stitch interlining2 ... .41GSM3.50%Polyester50%Nylon4.character:-good elasticity-colour fastness,not easy ... 2-3.5 kgf/cm2-time:10-14 secondsWITHEGREY 50%Polyester 50%Nylon Stitch Series ,Fusible Interlining,Double Dot(7049W)