The Original Dymo 45803 Black on White 19mm x 7m D1 Label Cartridge is a high-quality label cartridge designed for use with various Dymo printers. Made by the trusted brand Dymo, this cartridge is compatible with models such as the LabelManager 350D, 360D, 500TS, and more. The black printing on white labels provide clear and easy-to-read labels for all your labelling needs. Whether you're in an office, industrial setting, or at home, this D1 label cartridge is a reliable and efficient choice for your Dymo printer.