A best-in-class performance wax ribbon formulated for high-quality printing on both Zebra coated and uncoated paper facestocks. Offers unmatched printing for both visible light and infrared scannability. Recommended for use on tough-to-print uncoated and uneven tag stocks including Tyvek«. Prints at speeds up to 8 inches per second. UL recognized and CSA component acceptable when used with Z-Xtreme labels.Length: 450 M.Roll Outer Diameter: 25.4 mm.Core size: 25.4 mm.Labels Per Roll: Continuous.