This is a compatible Epson 33XL ink cartridge colour pack made up of 3 ink cartridges. Using the latest chips, each colour ink is guaranteed to work when replaced. The compatible 3 colour multi-pack contains 1 x cyan, 1 x magenta and 1 x yellow. Each colour is filled to 12ml of ink, printing approx. 875 (cyan), 875 (magenta) and 875 (yellow) pages @ 5% average coverage. All 33XL inks are designed to work perfectly in your Epson XP printer, with premium printing results and a convenient money saving multipack. XP-530,XP-540,XP-630,XP-635,XP-640,XP-645,XP-7100,XP-830,XP-900