The 934XL 935XL 5PK Ink Cartridges are high-quality ink cartridges designed for use in HP printers, specifically the OfficeJet Pro 6230, 6830, 6835, 6812, 6820, and 6220 models. These cartridges come in cyan, yellow, magenta, and black colors, with a high yield ink feature. With a page yield of up to 1200 pages for black ink and 850 pages for color ink, these cartridges offer long-lasting use for various printing needs in environments like offices, schools, and homes. The cartridges also come with a manufacturer warranty of 2 years and have received 100% positive response from customers.