Thermal Transfer Printer White Labels, 4" x 6", 1000/Roll, 4 Rolls/Bx, 4000 Labels/Bx - SKU: MTT-4600 - Use for warehouse, shipping, identification, bar codes, etc.  High quality, economical labels with permanent adhesive. Label rolls have 3" cores with a clean release. For use in Zebra®, Datamax®, Sato® and other thermal transfer industrial printers.