Zebras Z-Perform 1000D Direct Thermal labels are market leading labels for use in direct thermal printers. The most popular size in the UK as used by Royal Mail and all major couriers. These are a direct thermal uncoated paper label with a permanent acrylic adhesive on the back supplied in trade-only, wholesale, 12 roll, 5,700 label Bulk Boxes. The labels measure 6 x 4 (152.4 x 101.60mm narrow edge leading), with 475 labels per roll, wound onto 1 (25.4mm) cores with an overall roll diameter of 117mm. Suitable for use on all Zebra 4 desktop printers, including GX & GK ranges, legacy LP and TLP 4 printer ranges, and many others. 475 labels per roll 25.4mm core 126.55mm maximum overall roll diameter   For a planet-friendly alternative, check out our Priory Elements EcoLabels™.