Durasleeve® Wire Markers create a durable text. This solution consists of two components: a transparent tube (carrier) with a label pocket and an insert to slide into this pocket. Your text is at all times protected by the tube and can easily be replaced. Printing the inserts on a Brady system ensures clean crisp readable legends every time. Polypropylene Wire Marker Inserts. Designed to be printed and affixed to a wire using extruded, clear PVC Wire Marking carriers. This product can also be used in the BMP®71 and TLS2200.