OPT&reg; Brand. 5 X 100ML UV Resistant Dye Refill Ink For Epson 252 252XL T252 Workforce WF-3620 WF-3640 WF-7610 WF-7620 WF-7110 CISS and refillable ink cartridge. OPT Brand. Free shipping from New York. Suitable for Continuous Ink Supply Systems and Refillable Ink Cartridges. ISO9001 quality and production certificate. Excellent print effect, as good as originals. Stable performance without color fade. Lessens impact on landfills. 100% satisfaction guarantee. Package includes: Two Bottles 100ML Black Ink, One Bottle 100ML Cyan Ink, One Bottle 100ML Magenta Ink, One Bottle 100ML Yellow Ink, 1 syringe, and refill instruction.