? Polypropylene labels accept printing from direct thermal printers such as the Dymo® LabelWriter® ? Temperature resistant from -196°C to 70°C and also freezable in liquid and vapor phase nitrogen ? Adhere to most plastics, glass and metals without cracking, peeling or degrading, scuffing or smearing ? Tubes labeled with Direct Thermal Cryo-Tags® easily slide in and out of centrifuge rotors without binding ? Print popular barcode formats for fast easy sample identification †Prolonged exposure to alcohol may cause material discoloration. Labels are for use with US model Dymo® LabelWriters® only