Continuous Label Roll, Adhesive Properties Magnetic, Compatible Grainger Part Number 6UMW4, Compatible Mfr Part Number B30-R10000, Label Color Yellow, Label Finish Gloss, Label Material Polyester, Printer Series Compatibility BBP30, BBP31, BBP33, BBP35, BBP37, i3300, S3000, S3100, Recommended Ribbon B30-R10000, Roll Length 25 ft, Width 2 1/2 in, Indoor/Outdoor Usage Outdoor, For Print Method Thermal Transfer, Material Series B-509, Maximum Service Temperature 158 Degrees F