PM Company Thermal Transfer Labels, 4"x6", 1" Core, White, 250 Labels per Roll, 16 Rolls per Carton (46111) Requires a Thermal Transfer Ribbon to print - NOT compatible with Direct Thermal printers For use in Zebra, Datamax, Sato and other thermal transfer desktop printers High performance, low cost, white thermal transfer labels Typical usage: shipping labels, product identification, bar codes, bulk/bin labels, UCC128 labels, general purpose permanent adhesive Perforated with 0.125" gap, Carton includes 16 rolls