This genuine Brother TZE-FX621 label cassette contains 8m of black on yellow tape and can be applied to a variety of different surfaces. Results from the TZEFX621 are guaranteed by Brother to be the finest available and even feel incredibly satisfying.*mm in width, the genuine Brother TZFX621 label tape is the ideal solution for any compatible printer. This TZ-FX621 features a top-quality Flexi ID structure and can be used in conjunction with the Brother P-Touch Cube, or any other label maker found on this page.