When you use these thermal direct shipping labels, printing and applying your labels becomes easy. These labels are ideal for bulk mail processing because they are compatible with a Rollo printer and have perforated edges for simple tear-off. Blank white labels with strong adhesive to stick on corrugated boxes and envelopes. Using Fanfold Labels instead of rolls saves time when loading new labels into your printer. There is no need for a paper tube, which is better for the environment.