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 Red, Ribbon Format Ribbon on Open Core, Ribbon Length 984 ft, Ribbon Width 4 5/16 in, Ribbon Series R4500, Ribbon Formulation Wax/Resin, Core Diameter 1 in, Product Type Single Color Thermal Transfer Ribbon, Resistance Properties Chemical-Resistant, Smear-Resistant, Standards RoHS Compliance