The label of this series is mainly made of PET materials, and has good printability and thermal transfer printing performance, excellent service durability, humidity resistance, temperature resistance and weather resistance. Besides, it has superior performance in adhering on various rough surfaces and powder sprayed surfaces, and particularly it can be used well in bad environment inside the automobile with various working solvents, as warning label on radiator cap, emission control label, label on oil delivery pipe and A/C warning label.