【Various Sizes】: There are 8 different sizes of high-quality heat shrink tubing to choose from, from 1mm to 10mm. They can be used for solder protection, line bundling, electrical resistance, etc. 【High-quality Material】: Made of high-quality thermoplastic polyolefin. It provides excellent electrical, chemical, and physical properties. This flexible and durable flame-retardant tube can be used for electrical insulation and wire bundling. Very lightweight, it provides wire strain relief for various household, commercial, industrial, and military applications. 【Non-toxic and environmentally friendly】: Mainly used for wire connection, rust prevention and anti-corrosion protection of solder joints, protection and insulation treatment of wire ends, harnesses, cables, and electronic components. 【Customized protection】: Our heat shrink tubing has the advantages of good electrical insulation, good sealing and corrosion resistance, as well as high temperature resistance. It is a great way to