Precut Label Roll, For Print Method Thermal-Transfer, Compatible Grainger Part Number 6UMW4, Compatible Mfr Part Number B30-R10000, Label Color Blue/Red/White/Yellow, Label Finish Gloss, Label Height 2 1/4 in, Label Material Vinyl, Label Width 4 in, Labels per Roll 240, Printer Series Compatibility BBP30, BBP31, BBP33, BBP35, BBP37, i3300, S3000, S3100, Adhesive Properties Aggressive Permanent Adhesive, Material Series B-595, Recommended Ribbon B30-R10000