Self-laminating vinyl material is excellent for wire and cable identification. Designed with a clear protective layer to cover the printed text, B-427 material provides superb protection from abrasion, dirt, oils, solvents, water and excess handling.Optimize your performance with Brady M6 and M7 printer materials, many of which are available in continuous and pre-sized labels, packaged as standard rolls or bulk boxes. Each label part number prefix will indicate its type and printer compatibility.Authentic materials work seamlessly with Brady printers to produce enhanced performance and reliability you just don't get with materials from the "other guys." M610, M611 and M710 printers are not compatible with non-Authentic labels - check for the insignia on the box!