Compulabel Thermal Transfer Shipping Labels, 4 inch x 6 inch, White, Aggressive Permanent Adhesive, Perforations Between Labels, 2000 Per Stack, Fanfold, 2 Stacks High performance, low cost labels for use with Zebra, Fargo, Elton, Datamax, Sato, Intermec, NEX and other thermal transfer printers Exceptional print quality, strength, opacity and brightness Aggressive permanent adhesive for ultimate adhesion to many substrates especially polystyrene, polypropylene, polyethylene, paper and corrugated 3 Inch Core, 8 Inch Outer Diameter with service temperature range from -65 to 160 degrees Fahrenheit and Minimum application temperature of 20 degrees Fahrenheit Wound out labels require ribbons are ideal for shipping labels, identification labels, barcode labels and warehouse labels