MC-500-492 Continuous Label Roll Cartridge, Label Color White, Label Finish Gloss, Label Material Polyester, Label Width 1/2 in, Material Properties Cryogenic, Ribbon Color Black, Roll Length 25 ft, Vial/Tube Size 1.5 ml, For Print Method Thermal Transfer, Maximum Service Temperature 266 Degrees F, Minimum Service Temperature -320 Degrees F, Number of Labels Included 1