The BENTSAI BB22B ink cartridge is compatible with BT-HH6105B2 and BT-HH6105B3 handheld printers (except for machines running V1069), BT-HH6105F, BT-HH6205B, and 6205BL. Wide Application: The Bentsai quick-drying ink is designed for versatile use, capable of printing on both porous and non-porous materials, such as carton, wood, fabric, plastic, polyethylene, acrylic, metal, aluminum foil, metal, fiberboard, glass, ceramic, leather, concrete, eggs, etc, delivering high-quality results with fast drying times. Cost-Effective Printing: Each BB22B ink cartridge holds 42ml and can print up to 2,000,000 characters at a 2.5mm print height with the grey level set to the second setting, offering exceptional value and reducing the need for constant replacements. Superior Print Quality: Featuring a patented ink formula and self-developed chips, the Bentsai ink cartridge delivers accurate, vibrant, smudge-free, high-definition prints that resist fading, preventing printhead clogs and ensuring reliability. Warm Tips: This is a quick-drying ink cartridge. When you need to pause printing for more than 20min, please cover the nozzle with the protective cap to prevent the ink from drying and clogging the nozzle. If clogging occurs, gently wipe the nozzle with a alcohol wipe to resolve the blockage. The v4ink Bentsai BT-2580P black ink cartridge is a fast-drying solvent ink that dries in seconds and offers superior waterproof performance and high print quality. It is compatible with v4ink Bentsai handheld printers BT-HH6105B2, BT-HH6105B3, and Bentsai B10 mini, allowing you to print text, dates, QR codes, barcodes, logos, images, batch numbers, and more on various surfaces. With a 42ml ink capacity, each cartridge can print up to 2,000,000 characters.