This is a genuine Epson 33XL T3357 ink cartridge multipack which contains 5 original Epson 33XL inks. The original multipack contains 1 x black, 1 x photo black, 1 x cyan, 1 x magenta and 1 x yellow. The black ink cartridges contain 12.2ml, the photo black contains 8.1ml of ink and each colour ink cartridges are filled to 8.9ml of ink, printing approx. 530 (black), 400 (photo black), 650 (cyan), 650 (magenta) and 650 (yellow) pages @ 5% average coverage. All Epson 33XL ink cartridges are easy to install, and is ready to go out the box. XP-530,XP-540,XP-630,XP-635,XP-640,XP-645,XP-7100,XP-830,XP-900