This is a compatible Epson 378XL ink cartridge colour pack made up of 3 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 9.3ml of ink, printing approx. 830 (cyan), 830 (magenta) and 830 (yellow) pages @ 5% average coverage. All 378XL inks are designed to work perfectly in your Epson XP printer, with premium printing results and a convenient money saving multipack. XP-15000,XP-8500,XP-8505,XP-8600,XP-8605