This Powermaster PVC electrical insulation tape is made of a thin layer of polyvinyl chloride (PVC) material, providing excellent electrical insulation and resistance to moisture, abrasion, and chemicals. The blue color of the tape is often used to identify specific circuits or wires in electrical systems. It's commonly used by electricians, DIY enthusiasts, and professionals in the electrical industry for tasks such as wire harnessing, cable bundling, splicing, and color coding. The tape is easy to use and can be torn by hand or cut with scissors.