Thermal Transfer Printable Hole Tags are extruded from halogen free and flame retardant PUR (Thermoplastic Polyether-Polyurethane) material which is hydrolysis ” No break down in water” and micro organism resistant. Its extremely strong with high tear strength, suitable for a variety of indoor and outdoor applications where durable mark permanence is de facto standard. The hole tags are slipped on the wire or by direct fixation to the panel.