This set of direct thermal labels comes with 4 rolls of 1000 labels each, measuring 2 1/4 inches wide by 1 1/4 inches long. The labels are white with a permanent adhesive, making application quick and easy. They are compatible with Zebra, Eltron, Sato, Datamax, Munbyn, and Rollo desktop thermal printers and do not require a ribbon. These labels are perfect for shipping and address labeling, and are made in the United States. The labels and more brand ensures high-quality materials, and the 1" core size fits most standard printers. Whether you're shipping products or labeling items for your business, these direct thermal labels are a reliable choice.