Features： 1、4 COLORS: The kit includes 4 pcs ink cartridges in different colors, which are black, blue, magenta and yellow, to meet your different needs. 2、LONG TIME REUSABLE: The ink cartridges adopt permanent chip, can be repeatedly used by adding ink, there is no need to replace ink cartridge. 3、SMOOTHLY OUTPUT: The ink cartridge outputs ink smoothly, provides clear printing, improves printing effect, has accurate card position. 4、NO LEAKAGE: With great air tightness, these cartridges are anti clogging and have no ink leakage, ideal for your printer. 5、PP SHELL: The ink cartridges adopt PP shell, high in strength, environmentally friendly, no odor, provide stable and smoothly inking environment. Specification： Item Type: Ink Cartridge Material: PP Applicable Scenario: Printing Photos, Printing Test Papers, Printing Documents Color: Black, Blue, Magenta, Yellow Applicable Model: For HP Officejet Package List： 4 x Ink Cartridge 4 x Ring