Polyester Filament Dope Dyed Yarn DTY 50D-600D Spec:50D-600D, 24F-576F. RW&DDB& Dope Dyed Colors Also Support Functional Yarn below; Recycle High Color Fastness Antibacterial Flame Retardant Dennier/Filaments 50D/24F/36F 75D/36F/48F/