Dypro Multi-Purpose Dye is made for the professional dyer; it is suitable for dyeing natural fabrics such as cotton, linen, viscose, wool and silk, as well as being suitable for nylon, spandex, rayon, and Lycra. It is also suitable for dyeing buttons and feathers. Dypro Multi-Purpose Dye is ideal for dyeing costumes and props for all types of theatrical and cinematic productions, in large quantities.