Mr. Mickey 903 propylene mark using water-based environmental protection raw material of ink colorful environmental non-toxic write freely flowing handwriting clear colorful waterproof quick dry covering power imported nylon tip strong wear resistance can be applied to glass stone lumber metal ceramic tyre graffiti tag color in different coloured drawing or pattern, such as writing material color can be according to the customer request tie-in packaging environmentally safe non-toxic ink by MSDS EN71 European the United States ASTMD - 4236 quality testing valve pressure type structure, excellent air-tightness prevent ink leak ink more durable