These 2.5 inch round labels are perfect for your shipping needs. With a bright blue color and permanent adhesive, these labels will stand out on any package. The direct thermal paper material requires no ribbons, making them easy to use with compatible printers like Zebra, Munbyn, Rollo, Datamax, Sato, Eltron, and more. This pack includes 500 labels with a 1 inch ID core size and 4 inch outer diameter. The label type is Zebra Labels and they are made in the United States. The adhesive is permanent and easy to apply, just peel and stick. Use them for all your business and industrial shipping needs.