The TS522 Refill Ink Bottles in black are specifically designed for Epson printers, offering a brand new set of 2 bottles with a total capacity of 140ml each (total 280ml) Additionally, the set includes bottles of cyan (C), yellow (Y), and magenta (M) colors with a capacity of 70ml each, providing a versatile mix of inks for various printing needs. Perfect for those looking to refill their printer ink cartridges with high-quality, compatible ink.