These rolls of shipping labels are an efficient and cost-effective solution to all mailing, shipping and organisational needs with Dymo LabelWriter 450/550 Series, 4XL/5XL and LabelWriter Wireless label makers. Printing anything from a single label to the entire roll at once with the efficient thermal print mechanism and no is ink required. The self-adhesive backing makes it easy to secure labels to almost any surface. This pack contains 12 rolls of 320 high quality paper labels (3,840 labels in total).