This pack of 12 rolls of 1000 Labels and More direct thermal labels is an excellent choice for printing UPC labels without requiring a ribbon. The 2 inch wide by 1.5 inch long labels are compatible with Zebra, Eltron, Sato, Datamax, Munbyn, and Rollo printers. Each roll has a 1 inch ID core and a label color of white with a permanent adhesive. These labels are perfect for address and shipping needs, as well as material handling in a business and industrial setting. Made in the United States, these Labels and More direct thermal labels in model LM-2X1.5WH-DTP1C-12RLS are a reliable option for any UPC labeling needs.