Rit Dye Fixative reduces color bleeding in fabric. Works with most fabrics that include cotton, linen, rayon, ramie and hemp. Particularly valuable to quilters when bought fabrics are bleeding or when new clothing is bleeding all over. Fixatives will greatly improve washfastness. No fixative will completely prevent dyed garments from bleeding. Read and follow instructions. Color Stay Dye Fixative Spray 8oz- Retain vibrancy on natural fibers and assist in greater dye retention. Just spray it over the item immediately after dyeing and before rinsing and let sit for 20 minutes to double the amount of color retention. Spray bottle allows for precise coverage on dyed fabric. 8 ounces per package.