Concentrated fabric dye for protein (animal) fibres: Silk, Wool, Nylon, Mohair, Angora, Fur, Feathers etc. Specially formulated range of colourfast concentrated dyes, which are extremely simple to use and produce strong, vibrant colours. Totally intermixable, permanent, fade resistant dyes. Ideal for space dyeing, rainbow dyeing etc. Colours are fixed with either acid dye fixer or white vinegar. Non toxic.