DOUBLESTAR 4 Feet I.D Polyolefin 2:1 Heat Shrink Tubing 20mm 25mm 30mm 35mm 40 mm 50mm (25mm)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Using radiation crosslinking polymers and processes we pioneered， our heat-shrinkable tubings are made of polyolefins， fluoropolymers and elastomers enhanced by radiation cross-linking providing a memory effect and heat-stability</li><li>When heated during installation， our tubings shrink to conform to the shape of the substrate on wihc they are installed.</li><li>hese provide dependable insulation， mechanical protection， and strain relief， as well as aesthetic appeal.</li><li>DOUBLESTAR is the only authorized DOUBLESTAR Distributor to honor the Manufacturer Warranty.</li><li>Country of manufacture: China; Material: polyolefin; Size: 25mm Brand: DOUBLESTAR</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Nj1mXwZkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/315EYPwXYEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31SZSCyqrLL.jpg" noproxy>