Feature:1. Applicable Models: For HP for Envy 4500 4501 4502 4503 4504 4505 Series, for Envy 5530 5531 5532 5534 5535 5539 Series, for OfficeJet 2620 2621 4630 4632 4634 4635 Series, for DeskJet 1000 1010 1012 1050 1051 1055 Series, for DeskJet 1056 1512 2000 2050 2510 Series, for DeskJet 2512 2514 2540 2541 2542 2543 Series, for DeskJet 2544 2646 2547 2548 2549 2549 3000 Series, For Deskjet 3050 3054 3510 3511 3512 Series, for Deskjet 3050A 3051A 3054A 3054A 3052A 3052A 3056A, for DESKJET 2546P 2546P 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546.6R2. Large Capacity Sponge: Using high density large capacity sponge, so that the cartridge printing capacity is greatly improved, but also improve the success rate of refilling.3. Simple Operation: Compatible chip, no damage to the printer, compatible with the corresponding model of the applicable printer, so you can install the machine immediately, simple operation, no other complex configuration.4. ABS Material: Color ink cartridge is made of ABS material, which is wear resistant and durable and can be used for a long time.5. Strict Process: Ink cartridge has passed many standard audits and passed a strict process to improve the smoothness of the nozzle inkjet.Specification:Item Type: Ink CartridgesMaterial: ABSCartridge Model: 61XLApplicable Models: For HP for Envy 4500 4501 4502 4503 4504 4505 Series, for Envy 5530 5531 5532 5534 5535 5539 Series, for OfficeJet 2620 2621 4630 4632 4634 4635 Series, for DeskJet 1000 1010 1012 1050 1051 1055 Series, for DeskJet 1056 1512 2000 2050 2510 Series, for DeskJet 2512 2514 2540 2541 2542 2543 Series, for DeskJet 2544 2646 2547 2548 2549 2549 3000 Series, For Deskjet 3050 3054 3510 3511 3512 Series, for Deskjet 3050A 3051A 3054A 3054A 3052A 3052A 3056A, for DESKJET 2546P 2546P 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546.6R.Package List:2 xInk Cartridges