Use genuine black on yellow 12mm x 8m Brother TZe-631 laminated tape and expect durable labels that can withstand chemicals, abrasions, sunlight and water. The Brother TZe631 label printer cartridge produces labels with a patented laminate that makes this label tape extremely strong, allowing it to adhere in hot and cold settings. Also known as part number TZ-631, Brother TZe-631 P-Touch tape is for black on yellow labels and is 12mm wide by 8m long. With Brother TZe631 original tape cassettes, you can create professional looking labels with your Brother label maker and adhere them to any smooth surface.