1. capacity, no plugging, no ink leakage, compatible with consumables. 2. Reduce printing costs 3. ink output, clear printing, increase ink output fluency, printing effect and printing life. 4. upgraded compatible chips 5. Compatible with model: HP920XL C M Y CD971A CH634A CH635A CH636A;Ink capacity: 55ML C M Y 15ML;Shelf life: 2 years Applicable models: Office Jet 6000 Office Jet 6000 AIO-E608a Officejet 6000 Printer-E609a Office Jet 6000 W AIO-E609n Office Jet 6000 W Office Jet 6500 AIO Office Jet 6500 W AIO Office Jet 6500 W AIO-E609a Office Jet 6500 AIO(US)E709 Office Jet 6500 AIO-E709a Office Jet 6500 W AIO-E709n Office Jet 6500A e-AIO E710a Office Jet 6500A AIO-E710a Office Jet 6500A Plus e-AIO E710n Office Jet 6500A C-AIO Office Jet 7000 Office Jet 7000 -E809a ® Office Jet 7500A ® Office Jet 7500A e-AIO E910 ® Office Jet 7500A e-AIO E910a colour: as shown Material: ABS Package Contents: 4*printer cartridges Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.