QINK 400 ml Refill Ink Kit With Syringes for 901 901xl Black and Color Ink Cartridge (Special ink) Contents: 100 ml Special Black Ink & 100 ml Special Cyan Ink & 100 ml Special Magenta Ink & 100 ml Special Yellow Ink Refill for: 901XL 901 Black and 901XL 901 Color Inkjet Cartridge The ink quality is same as OEM ink More feature: 1.High color saturation,high fidelity. 2.Ultrafiltration,no clogging caused. 3.Weak acid or alkalescent formula,no corrosion problems. 4.No bleeding,no smear,high print quality. 5.Quick dry formula,satisfaction at high speed printing. 6.Water base formula,no toxicity,no chemical hazards,no environment pollution 100% Satisfaction Guaranteed. We stand behind every product we sell and offer a 100% satisfaction guarantee for a full refund (excluding shipping costs) of the purchase price within 30 days. Defective cartridge can be exchanged within 90 days.