Designed for use on cotton and cotton blend fabrics. Mix 1-to-2 with distilled water to yield 60 liters of fluid for use on dark garments, and mix 1-to-9 with distilled water for use on light garments. Pre-treatment application to a garment is required prior to use of UltraChrome DG White Ink. It is recommended to use a pre-treatment machine to apply pre-treatment fluid for consistent print quality. Epson Pre-Treatment Fluid is ECO-PASSPORT Certified by OEKO-TEX. This is an international safety standard in the textile industry. It certifies Epson Pre-treatment fluid is safe for adults and children, including babies.