Epson genuine printer ink, 4-color set All are new, unopened in their original bags. 1 Black ICBK54M 1 Yellow ICY54M 1 Magenta ICM54M 1 Cyan ICC54M Compatible models: PX-B300/B310 PX-B500/B510 Expiration date: 2014 Although the recommended usage period has expired, they have been stored unopened in a suitable environment, so they should be usable without any problems. No original box.