4" x 6" Floodcoated Top-coated Direct Thermal Labels (Light Visible) with 8" O.D. Perforated Each, Wound Out, 3" Core, 4000 Labels/Case, 1000 Labels/Roll, 4 Rolls/Case - Blue NO RIBBON NEEDED with these labels, these labels are ideal for shipping labels, identification labels, barcode labels and other applications where the labels only needs to be read for a period of time. These labels will fade over time. High quality direct thermal Paper labels. High performance, low cost labels for use with Zebra, Datamax, Sato, Intermec, Printronix, CAB, Brady, TSC and many other direct thermal printers Label service temperature range from -4 to 176 degrees Fahrenheit and Minimum application temperature of 32 degrees Fahrenheit Industrial Strength Permanent Adhesive, Wound out labels