Freezerbondz thermal transfer printable labels can be applied to frozen surfaces including glass and polypropylene stored in liquid nitrogen. These labels offer excellent print smudge resistance, solvent resistance when using the R6400 Ribbon, and excellent low temperature performance. Labels perform well in common laboratory environments such as liquid nitrogen and autoclave applications. These labels are on a 1" core, a 'smaller core' than the majority of our materials. The recommended printer for these small core parts is the BBP11-34L printer. *Freezerbondz is a trademark of Brady Worldwide, Inc.