Sharpen up that pair of faded black trousers with Back to Black. Or cover up a colour you don’t like any more. Suitable for cotton, linen, silk, wool, ramie, rayon, viscose, nylon, modal, tulle and fabric blends which contain no more than 35% polyester, acrylic or acetate. Contains Jet Black all-purpose dye, and ColorStay Dye Fixative and gloves.