An extremely intense vibrant range of 32 intermixable, permanent, colourfast dyes for cellulose (plant) fibres: Cotton, Calico, Linen, Viscose, Rayon, Flax, Hemp, Jute, Sisal and also Silk (Also Polyester/Cotton mixes to lighter shades).
Ideal for immersion dyeing, ice dyeing, printing, graduation dyeing, twisting, sponging adn design work on paper. Non-toxic.
Why are they called Procion 'reactive' dyes? Due to a chemical bonding 'reaction' between the dye molecules and the fabric that, in effect, makes them part of the fabric. This is why, unlike direct dyes, Procion dyes are so permanent.