ISO approved swg enamelled copper wire is coated with enamel and the colour ranges from golden brown to dark to reddish brown depending on the lot. Ideal for use in electrical experiments , science projects and artistic application 99.9% pure copper Or winding.

Polyesterimide,  Solderable Polyurethane, polyv'inyl Acetal overcoated Enamelled round wire, etc.
Thermal class 105, class 180, class 220, class 200 
solderable copper enamel winding wire 
Headphones, motors, transformer windings, speaker coils
Dimension:0.2--7.0mm

What does SWG mean?
The thickness of a wire is often given as a Standard Wire Gauge, or SWG. This is number from 0000000 or 7/0 (thickest) to 50 (thinnest). The gauge of most wire used in electronics is between 20 and 30. Often, a wire gauge will be stated followed by "swg", so 26 swg, etc.

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