5x30ml Premium Nano Refill Ink Kit, Refill Set for EPSON 68, 69, 88 refillable Black & Color Ink Cartridges for EPSON NX400, NX300, NX200, NX100 Printers The refill ink is the high quanlity water-based photo dye ink which is specially designed for desktops and wide-format inkjet printers to print photo or indoor advertising printings with a vivid color. Shelf Life: 3 Years Stability: No setting in 3 years (at normal storage) Temperature: -15C no frozen and 70C no gelling Lightfastness: 5-6 BWS; Waterfastness: 3 (Average); Gasfastness: 4 (Good).