Features: 1Nylon sleeve outsourcing without tape, water and electricity insulation, non-flammable material, rest assured and durable 2The product shrinks by heat and the internal solidified glue melts, and the wiring is tight and waterproof 3There are a variety of colors and sizes to meet the different needs of daily use 4The product support low temperature rapid heat shrinkage, lighters, heat guns all can finish heat?shrinked, fast and convenient 5Heat shrink tubing come with high strength, high toughness and strong durability, can be bent arbitrarily after heat shrinking Package included: 90 x 1.0mmx45mm Black Heat Shrink Tubing 70 x 1.5mmx45mm Red Heat Shrink Tubing 70 x 2.0mmx45mm Yellow Heat Shrink Tubing 50 x 2.5mmx45mm Blue Heat Shrink Tubing 50 x 3.5mmx45mm Green Heat Shrink Tubing 50 x 4mmx45mm Red Heat Shrink Tubing 50 x 4.0mmx45mm Black Heat Shrink Tubing 30 x 5.0mmx45mm Blue Heat Shrink Tubing 30 x 6.0mmx45mm Blue Heat Shrink Tubing 25 x 7.0mmx45mm Red Heat Shrink Tubing 25 x 10.0mmx45mm Black Heat Shrink Tubing 20 x 13.0mmx45mm Black Heat Shrink Tubing