Zebra - 4 x 6 in Thermal Transfer Paper Labels, Z-Perform 2000T Permanent Adhesive Shipping Labels, Zebra Industrial Printer Compatible, 3 in Core - 4 Rolls Full Length Rolls: 4 x 6 in | 3 in core | 8 in Roll Diameter | 1,000 labels per roll | 4 rolls | 4,000 total labels Thermal Transfer: Tested and certified by Zebra engineers to provide optimal performance and reduce printer downtime Excellent Print Quality: High print definition, low temperature resistant, and BPA and latex free Recommended Use: Great for UPS, FedEx, and USPS shipping labels, address labeling, box labeling, warehouse, product identification, work in process labels, distribution, and metal labeling applications Industrial Printer Compatible: Compatible with Zebra industrial printers and many other brands including Honeywell, Datamax, Intermec, Sato, & TSC