MFLABEL 2 Stacks Fanfold 4" x 6" Direct Thermal Labels White Perforated Zebra Shipping Labels (2,000 Labels per Stack) (2 Stacks) Compatible with Zebra, Fargo, Elton, Datamax, Sato, Intermec, NEX and other direct thermal printers Label size: 4"x6", with perforated line 2,000 labels per stack, total 2 stacks = 4,000 labels Strong adhesive to corrugated boxes and envelopes Minimum application temperature: 50; Service temperature range: -59~+149