26' Cassette of 6mm Lab Tape, White w/ Black Print (for LinkLabel™ and LABeler™), Cat. No.: MTC-L9010-6WK, With 13 available label cassettes, customization is at your fingertips. Choose from multiple colors of tape, including transparent. Three label heights are available for different sized vessels. 6mm tapes are great for tissue culture plates, 12mm tapes are ideal from microtubes, and the extra tall 24mm tapes are ideal for large tubes and flasks. Special “ultra-low” label tapes are also available for storage in -80°C environments or for liquid nitrogen applications.