1、Easy Printing: Just plug and play, the ink cartridge enables easy using without complex configuration, easy but efficient. 2、Better Design: Equipped with premium sponge, the ink cartridge replacement ensures higher printing volume for your needs. 3、Wide Matching: Suits perfectly for HP Envy 4500 4501 4502 4503 4504 4505 Series, for Envy 5530 5531 5532 5534 series, etc. 4、Great Flowing: Improves the fluency of nozzle inkjet, the ink cartridge has better printing effect for photo, file and more. 5、Simple to Install: Comes with a light weight and a compact size as well, the simple installation can be quickly completed. Item Type: Ink Cartridge Material: ABS Applicable Model: For HP 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 1510 1512 2000 2050 2510 Series, for DeskJet 2512 2514 2540 2541 2542 2543 Series, for Deskjet 2544 2646 2547 2547 2548 2549 2549 3000 Series, for Deskjet 3050 3054 3510 3511 3512 Series, for Deskjet 3050A 3051A 3051A 3054A 3054A 3052A 3052A 3056A, for DESKJET 2546P 2546P 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546B 2546.6R. 1 x Ink Cartridge