Precut Label Roll, For Print Method Thermal-Transfer, Compatible Grainger Part Number 30DA29, Compatible Mfr Part Number R6013, Label Color White, Label Finish Gloss, Label Height 1/2 in, Label Material Polyester, Label Width 1 in, Labels per Roll 5,000, Printer Series Compatibility BBP11, BBP12, THT 1 In. Core Printers, Adhesive Properties Aggressive Permanent Adhesive, Material Properties Halogen Free, Material Series B-423, Recommended Ribbon R6013