Dylon is the industries best known fabric dye manufacturer, started in London in 1946, to help with post war Make Do & Mend, a sentiment we are very familiar with these days.
Use Dylon dyes to refresh the colour on your favorite clothes, or soft furnishings, or change the colour completely, which is better for the environment than throwing good clothes away. So go on Save the Planet - Re-Dye Don't Re-Buy!
The leaflet inside the pack contains full instructions. Fabric dyes are suitable for natural fibres - cotton, washable silk, wool, linen, viscose & poly-cotton. They are not suitable for pure man made fabrics.
One 350gm pack will dye 600gms of dry weight fabric (about a pair of jeans) more fabric will lighten the shade dyed.