This Powermaster PVC electrical insulation tape is made from a durable and flexible polyvinyl chloride (PVC) film that is coated with a pressure-sensitive adhesive on one side. The red color of the tape is typically used to indicate the presence of live electrical wires or components. It is highly resistant to moisture, chemicals, abrasion, and UV light, making it suitable for use in a wide range of environments and conditions. The tape is also easy to tear by hand, making it convenient to use in various electrical projects.