Label Printer Ribbon, Compatible Mfr Part Number BBP72, BBP81, i7100, 149050, i7100, 149056, THT 3 In. Core Printers, Printer Series Compatibility BBP72, BBP81, i7100, THT 3 In. Core Printers, Ribbon Color Black, Ribbon Format Ribbon on Open Core, Ribbon Length 984 ft, Ribbon Width 4 5/16 in, Ribbon Series R6600, Ribbon Formulation Resin, Core Diameter 1 in, Product Type Single Color Thermal Transfer Ribbon, Resistance Properties Diesel-Resistant, Standards RoHS Compliance