●B-490 labels can be applied to frozen surfaces including glass and polypropylene stored in liquid nitrogen when wrapped around itself by at least 1/8" ●White polyester material has a permanent acrylic adhesive and is thermal transfer printable ●Good print smudge resistance, solvent resistance and high/low temperature performance of -320 to 212° F (-196 to 100° C) ●For use with BMP 61 Labeling System, BMP 71 Label Printer (with adapter), BradyPrinter M611, TLS 2200 Thermal Labeling System, TLS-PC LINK Thermal Labeling System