Feature: 1. With nylon sleeve, there is no need for tape, and the product is waterpfoof and electric‑proof for its non‑flammable material, reliable and durable. 2. The shrinking tubing shrinks by heat, the internal solidified glue melts, and the wiring is tight and waterproof. 3. The packagelist includes a variety of colors and sizes to meet the needs of daily use. 4. These shrinking tubings can realize fast shrinkage at low temperature, and lighter, heat gun can be heat-shrinkable. 5. With high strength and toughness, these tools can be bent arbitrarily after heat shrinking. Specification: Item Type: Heat Shrinking Tubing Set.Material: Nylon Uses: Electronic components, circuit wiring harness, wire connection repair, data line (small head) repair, household goods line repair Heat Shrinkage Ratio: 2:1 Size Included:1x45mm Black1.5x45mm Red 2x45mm Yellow 2.5x45mm Blue 3.5x45mm Green 4x45mm Red 4x45mm Black 5x45mm Blue 6x45mm Blue7x45mm Red 10x45mm Black13x45mm Black Package List: 90 x 1x45mm Black Heat Shrinking Tubing70 x 1.5x45mm Red Heat Shrinking Tubing70 x 2x45mm Yellow Heat Shrinking Tubing50 x 2.5x45mm Blue Heat Shrinking Tubing50 x 3.5x45mm Green Heat Shrinking Tubing50 x 4x45mm Red Heat Shrinking Tubing50 x 4x45mm Black Heat Shrinking Tubing30 x 5x45mm Blue Heat Shrinking Tubing30 x 6x45mm Blue Heat Shrinking Tubing25 x 7x45mm Red Heat Shrinking Tubing25 x 10x45mm Black Heat Shrinking Tubing20 x 13x45mm Black Heat Shrinking Tubing