This predictable dye yields deep shades, continuous tones, pure primaries and beautiful transparencies. Geared towards professional artists and productions studios, you can put this dye through its paces and it will perform. Ideal for traditional silk painting or painting on cottons and rayon it is also used in many specialty applications utilizing discharges, chemical resist, printing and diffusion techniques. Red Label colors are modified reactive dyes concentrated for economythey are twice the concentration of the Green Label Silk Colors. Red Label silk colors are set by steaming.