Feature:This product is made of alkali-free fiberglass. Then coated with a small amount of binder. Lastly, process the pipe under a high temperature.Application:This heat sleeve fiberglass are for high temperature applications, also, it keeps wire neat and organized.The heat shield tubing is mainly applied to insulate and heat equipment, such as motor, engine, plug wire, fuel lines, decorative light, etc.Note:Electrical wires should never be hot. Should increase the gauge of wire if you are exceeding the recommended load of that wire. This product would make the wire get hot by not letting it cool and might melt the insulation on said wire.Specification:Color: WhiteMaterial: Alkali-free FiberglassLength: 3.0 Meter / 9.8 FeetInner Diameter: 3mmThickness: 0.