Dylon Multi-Purpose Dye is suitable for dyeing natural fabrics, nylon and Lycra. It can also be used to dye plastic buttons and other plastic items. NOT recommended for polyester, acrylic or acetate fabrics. Multipurpose Dye is ideal for dyeing costumes and props for all types of theatrical productions. Available in a range of colours, each sachet contains 50g of dye powder. 5g of dye powder is sufficient to dye up to 250g/8oz dry weight fabric Suitable for cotton, linen, viscose, wool, silk, nylon and Lycra/elastane. NOT for pure synthetics (except nylon), polyester/wool mixtures, or fabrics with special finishes. Multi-Purpose Dye is not colourfast so garments should always be washed separately.