Organic Cotton Plus' Procion MX-8oz. Discount is a great choice for any DIY project. This dye is perfect for creating bold, vibrant colors in cotton, rayon, linen, and other plant-based fabrics. It's easy to mix and use, and the 8oz. size is perfect for larger projects. This dye is also environmentally friendly and safe for all ages, so you can feel good about using it in all your projects.