The HP 728 300-ml Matte Black DesignJet Ink Cartridge is a high-quality ink product designed for HP Thermal Inkjet printers. Manufactured by HP and originating from Singapore, this cartridge is guaranteed under the manufacturer warranty until the "Warranty Ends" date. With a sleek matte black colour, this cartridge is perfect for producing professional-quality prints. The package includes a single ink cartridge measuring 118mm in height, 283mm in length, and 41mm in width, making it compatible with various printer models for efficient printing.