The M-K231BZ allows you to create high-quality labels that will prove useful throughout your home. Available in various color and width combinations, the small, compact cassette uses direct thermal printing (no ink) to create the image on the tape. This M-K231BZ plastic label maker tape in black on white is compatible with any P-touch label maker printer that has the M logo printed on the cassette cover. It is an excellent organizational tool that can be used to label everything from files and folders to outlets and containers. Tested by Brother to ensure maximum reliability, the M-K231BZ offers high-quality printing every time, providing clear, legible labels.