Note:This ink is only used for refillable cartridges and CISS (continuous ink supply system). If you are using the original cartridge or disposable cartridge, please do NOT purchase this refill ink, it cannot refill your ink cartridge, and your printer will not work properly with it. (For applicable types of cartridge, please refer to Figure 3)Keep out of the direct sunlight. 2-Year Shelf Life if stored in a cool dry place.Features:It is the dye ink which can be used for 4-color printer.With high-purity ink, the color is more accurate and brighter.With high-quality environment-friendly material, it can prevent the print head from corroding and blocking, ensuring the best printing.