Continuous Label Roll Cartridge, Compatible Grainger Part Number 22NA79, Compatible Mfr Part Number R6200, Label Color White, Label Finish Gloss, Label Material Polyester, Label Width 3/8 in, Material Properties Halogen Free, Printer Series Compatibility BMP ID Pal, BMP Lab Pal, BMP21, BMP21-Lab, BMP21-Plus, Ribbon Color White, Roll Length 21 ft, Vial/Tube Size 0.6 ml, For Print Method Thermal Transfer, Material Series B-423, Maximum Service Temperature 230 Degrees F