The ProLine formula features an advanced mix of dyes thats applicable to natural and synthetic fibers and is ideal for scaling dye projects, no matter the size. Rit ProLine contains an advanced mix of direct, acid and disperse dyes, enabling you to dye a wide range of fabrics and materials at scale. Ideal for dyeing industrial textiles (carpet patchwork), jumpsuits and uniforms (corporate, correctional, and governmental institutions), wardrobing (movies, TV, and theatre), cosplay costuming, apparel makers, 3D printing, concrete and more. A powdered formulation, our ProLine formula is non toxic and safe for septic and sewer systems. With 100 years of American manufacturing experience under their belt, we have developed the most reliable time tested quality control standards in the industry. Accordingly, you can be confident you will be getting a product that is high quality, consistent and effective. Perfect for: Cotton, linen, silk, wool, ramie, Rayon, Nylon, polyester, polyester cotton blends, acrylic, acetate, Spandex, wood, wicker, paper, cork, hemp, leather and suede.