The self-rolling wrap is made of polyester monofilament and multifilament, which has the characteristics of fire resistance, abrasion resistance, softness, dust resistance, simple and quick operation, etc. The open structure is conducive to protecting the inner wiring harness. Retrofitting, rebuilding, maintenance and overhaul. Products are widely used in communications, high-speed rail, automobiles, automation equipment, instrumentation lines, cables, wire harnesses and hoses, especially for irregularly shaped wire harnesses.