This is a compatible Epson 378XL ink cartridge colour pack is made up of 5 ink cartridges. Using the latest chips, each ink cartridge is guaranteed to work when replaced. The compatible photo colour pack contains 1 x cyan, 1 x magenta, 1 x yellow, 1 x light cyan and 1 x light magenta. Each of the cyan, magenta and yellow cartridges contains 9.3ml ink, the light cyan and light magenta ink cartridges. Each cartridge prints approx. 500 (black), 830 (cyan), 830 (magenta), 830 (yellow), 830 (light cyan), 830 (light magenta) 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-8500,XP-8505,XP-8600,XP-8605