Features: 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 1510 1512 2000 2050 2510 Series, etc. 2.ABS Material: The replacement ink cartridge is made of ABS material, which is wear resistant and durable, and can be used for a long time. 3.Perfect Replacement: Printer cartridge compatible chip, does not damage the printer, replaces broken, damaged, cracked, unusable ink cartridges. 4.Large Capacity Sponge: The use of high density sponge with large capacity greatly improves the print volume of the ink cartridge and the success rate of inking. 5.Strict Process Processing: Through a number of standard audits, and through strict process processing, the fluency of nozzle inkjet is improved.specification:Item Type: Print Cartridge Material: ABS Ink Cartridge Model: 301XL Applicable Models: for HP for Envy 4500 4501 4502 4503 4504 4505 Series, for Envy 5530 5531 5532 5534 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 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 2546.6RPackageList:2 x PrintCartridge