Label size: 76.2 × 50.8 mmPrinting technology: Direct thermalMaterial: Untreated paper, permanent adhesiveCore diameter: 19 mmCompatible printers: Zebra ZQ320, ZQ511, ZQLabels per roll: 96 pcsRolls per box: 40 pcsTotal per box: 3,840 labelsOuter roll diameter: approx. 40 mm