Heat shrink Material environmental protection: heat shrink tubing is made of polyolefin which ensures the heat shrink wrap 2:1 retraction ratioshrink wrap Easy to Use & Shrink: This heat shrink cable sleeve is very easy to use and shrink, just wrap your target wire and shrinkheatshrink Widely Application: With the compact design and wear-resistant function, the heat shrink connector can be used in many place.Such as broken wires, electrical insulation, mechanical protection, wire bandwidth, wire connection, wire ends process, wire / cable junctions, daily repairs,etc.shrinks tubes Size: 45mm 50mm 60mm 70mm 80mm 90mm 100mm 120mm 150mm 180mmshrink tube Package Includes: 1pcs×Heat Shrink Tubing