Continuous Label Roll , Compatible Grainger Part Number 19YU79, 20XW96, 22NA85, 3PXY9, Compatible Mfr Part Number BMP21, BMP21-LAB, BMP21-PLUS, R4300, Label Color White, Label Finish Matte, Label Material Paper, Label Width 3/4 in, Material Properties Water Dissolvable, Printer Series Compatibility BMP21-LAB, BMP21-PLUS, M210, M210-LAB, M211, Ribbon Color Black, Roll Length 21 ft, For Print Method Thermal Transfer, Material Series B-403, Maximum Service Temperature 172 Degrees F