- For HP officejetpro K550/5300/5400/7380/7580/7590 printers<br />- 4 colors (Black + Blue + Red + Yellow)<br />- Refillable<br />- Empty cartridge only、 Ink NOT included<br />                                                                                                                                Dimensions: 3.03 in x 2.44 in x 0.59 in (7.7 cm x 6.2 cm x 1.5 cm)<br />Weight: 3.6 oz (102 g)