For natural fabrics, nylon and Lycra® (elastane). DYLON has a whole range of multi-purpose fabric dye colours – ready to be used alone or mixed together to create a unique colour. DYLON Multi-Purpose is a non-colourfast dye. It can be used with a wide range of fabrics including cotton, linen, rayon, hemp, jute, wool, silk, nylon and Lycra® (elastane). You will get lighter shades on polyester/cotton mixes because polyester does not pick up dye. This product is also great for dyeing decorative items such as feathers, grasses and buttons.