... .bright colors, high color fastness, durability,non-toxic 4.color: black features:1.100%polyester2.specs:1.4D-20D*32mm-76mm3 ... in of colored fabric productsApplications fields: Base on masterbatches,colored fiber special on bright colors, high color fastness, excellent resistent to ... products. Serial No.Test itemUnit of quantity1length32mm-76mm2fineness1.4D-20D Black Fiber