Continuous Label Roll Cartridge For Print Method Thermal-Transfer Resistance Properties Chemical-Resistant Oil-Resistant UV-Resistant Water-Resistant Material Series Rhino Labels Double-Sided Printable No Label Material Polyolefin Compatible Grainger Part Number 21HN24 21HN25 43PD07 Compatible Mfr Part Number 1868813 1868814 1868815 Label Color Black/White Label Finish Gloss Printer Series Compatibility XTL-300 XTL-300 Kit XTL-500 Kit Roll Length 18 ft