Labels - Zebra PolyPro 4000D - Label - Polypropylene - 2x2" (50.8x50.8mm) - Direct Thermal - PolyPro 4000D - High Performance Coated - All-Temp Adhesive - 0.75" (19.1mm) core - 245/roll - 12/box - Printed. Black mark sensing. Labels equipped with protective over varnish.