Warning PVC (Tape) with a thin film as the substrate, with good insulation, flame resistance, cold resistance, resistance to voltage, acid and alkali resistance, solvent resistance and other characteristics. It has good wear resistance, corrosion resistance, good oil resistance, is used in the area of ground warning signs, color, red, yellow, blue, green, white, black, yellow and black, green and white, red and white for reference, to meet different needs.