Optimal Performance: Engineered to deliver, our 301XL ink cartridges high-resolution printing without compromising on color. Cost-Effective: Enjoy significant savings with our high yield 301XL cartridges, designed to print more pages, reducing the cost per page and minimizing replacements. Nozzle Protective Clip, Better Protect The Printing Nozzle And Chip During Transportation High- Head, Uniform And Smooth Ink Output, Clear And Delicate Printing Quality Convenient And Fast, The Printer Ink Needs To Be Carefully Installed During Use To Avoid Ink Leakag Applicable models for Deskjet: 1000 1010 1011 1012 1050 1051 1055 1056 1050a 1510 1511 1512 1513 1514 1517 for Deskjet: 2050 2050a 2054a 2510 2511 2512 2514 2540 2541 2542 2543 2544 2546 2547 2548 2549 for Deskjet: 3050 3054 3060 3050a 3051a 3052a 3054a 3055a 3056a 3057a 3059a 3510 3511 3512 for : 4500 4501 4502 4503 4504 4505 4507 4508 4509 5530 5531 5532 5534 5535 5539 for Officejet: 4630 4631 4632 4634 4635 4636 4639 Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:Black Material:plastic Package Contents: 1 x Ink Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.