Generic Compatible Ink Cartridge Replacement for HP 88 ( Black,Cyan,Magenta,Yellow ) One set include 2pk Colors : 1 Black/Yellow , 1 Magenta/Cyan Compatible printers:K550 K5400 K8600 L550 L580 L650 L7000 L7400 L7480 L7550 L7555 L7580 Ship from China usually need 5-12 daysneedn't wait for a monthplease don't worry. Good news orders over $ 60 will get a fine blue and white porcelain pen. Validity: October 15 ~ 15 November