3M Heat Shrink Tubing SFTW-203 is made of very flexible, heat shrinkable polyolefin which is mechanically tough, chemically resistant, and can be easily surface printed.The extra flexibility and low shrink temperature of 3M Tubing Heat Shrink Tubing SFTW-203 make it ideal for shrink fit jacketing and insulation of flexible wire bundles and temperature sensitive components. The 3:1 shrink ratio makes SFTW 203 tubing the insulation of choice for end terminations where the connector body is larger than the cable and for repair applications where the tubing must be slid over a connector. SFTW 203 tubing can also be used to insulated an oversized component in line to the wiring.