Features: Suitable for almost any Surfaces: The black, fast-drying handheld inkjet printer cartridges can be widely used For paper, fabric, cartons, wood, plasterboard, fibreboard, ceramics, glass, metal, aluminium foil and more. Smooth and bright Print colour: The Print cartridge is for highly density printing, clear and bright printing, high printing efficiency.Smooth printing, bright colours and strong adhesion. You can easily print date and time, barcode, 2D code, batch number, serial number, picture. Note：Before buying, please make sure that your printer is not encrypted, the Print cartridge is only suitable for not encrypted printers! Specifications: Length：About 10cm/3.94in Component: ABS Quantity： 1PC Color：Black Model: BT2580P Package Includes: 1PC BT2580P Print Cartridge note: Due to the problem of lighting effect there might be tolerances in product, please understand. Please allow 0-2mm error due to manual measurement.