A thin-walled, flexible heat shrink tube with a 2:1 shrink ratio made of cross-linked polyolefin. It is available in 10 sizes ranging from 1.2mm to 25.4mm in diameter, in black, red, blue, transparent, and yellow-green colors. The tube is supplied rolled up in a convenient cardboard box for ease of use and storage. The primary application area of this product is electrical insulation and protection against mechanical damage and corrosion.