The portable printer die-cut heat shrink labels in white are made of military-grade polyolefin. They measure 0.38" (9.7mm) diameter, 1" (25.4mm) length, and 0.64" (16.3mm) width and have a wire range of 12–6 AWG. The fast-loading P1™ label cassette includes both label material and ribbon for easy label changing. There are 75 labels per cassette. .. see full description