Heat shrink tube offers a premium method of labeling wires and cables. Simply slide the tube onto the cable and shrink snugly to the cable using a heat gun. Labels will never fall off. The cassette fits into all Dymo® Rhino printers. Industrial-grade polyolefin offers a 3:1 heat shrink ratio and the convenience of printing directly on the tubing itself. Label Size - text: 0.5" x 5 ft; Label Color(s): White; Machine Compatibility: Label Maker; Printed Text Color(s): Black.