MFLABEL 4 Rolls of 250 4x6 Direct Thermal Blank Shipping Labels for Zebra 2844 Zebra 2843 2844z Eltron Label size: 4"x6", 250 labels per roll, total 4 rolls Compatible for Zebra Eltron Printers Strong adhesive to corrugated boxes and envelopes Great for UPS, USPS, Fedex, DHL, Amazon, eBay & PayPal Minimum application temperature: 50; Service temperature range: -59~+149