Heat shrink Material environmental protection: heat shrink tubing is made of polyolefin which ensures the heat shrink wrap retraction ratio heat shrink cable sleeve Shrink Size: 15mm , 16mm , 18mm , 20mm , 22mm , 25mm , 28mm , 30mm , 35mm , 40mm shrink wrap Easy to Use & Shrink: This heat shrink cable sleeve is very easy to use and shrink, just wrap your target wire and shrink heatshrink Applications: Widely used in aluminum, lighting, LED pins, bottle combination, etc., to be beautify the appearance of the coating, insulation, moisture, corrosion, The role of dust. shrink tube Package Includes: 1pcs×Heat Shrink Tube Set