The XPS-250-1 is a PermaSleeve? Heat-shrinkable Wire Marker Sleeve for the IDXPERT? printer. B-342 polyolefin and available in black on white colors and sleeves are kitted style (individually pre-cut). The full circle heat-shrink sleeves are the ultimate in marker durability, permanence and aesthetic appearance. Fast shrink rate saves time and costs during installation. Available as individual 1-inch long markers or in cut-to-length continuous supply.