Features: 1. Our heat shrink tubes are with standard of environmental protection material. Material composition does not contain heavy metal and other environmentally hazardous substances 2. Versatile and DIY helper : Multiple sizes high-quality heat shrink tubing for your choose, they can be used for solder joint protection, group of lines marking, resistance electric capacity reason protection etc. 3. Comprehensive applicability: Heat shrink tubing kit is very suitable for any project workshop, fixing the broken wires, electrical insulation, wire connection etc. 4. Safe and easy used: Has the advantages of good electrical insulation, good tightness and corrosion resistance, high temperature resistance. Cover the bare wire part with these tubes, heat it with soldering iron, hair dryer (hot enough), the tube will shrink protect the wires and give you a professional look of the repair job 5. What you get: 150pcs transparent flame retardant heat shrinkable tube Specification: Name: Transparent flame retardant heat shrinkable tube Weight: 130g Color: Transparent Material: Polyolefin Minimum shrinkage temp: +70 degrees Celsius Full shrinkage temp: +110 degrees Celsius maximum includes:150pcs x Heat Shrink Tube Kit