vanki Permanent Car Tyre Tire Metal Paint Pen Marker (Red) About us (Vanki), Professional factory , welcome to our store for more choices with best price. What we pursue is your satisfication of our service, not just for our goods.For any reason you are unsatisfied with our product at any time, simply contact support for exchange or refund. we will reply you about any question you ask within 24 hours After use, please tightly capped the Pen tip. Please placed in the shade, ventilation, preservation. Oil-based ink, writing smooth, waterproof, does not fade. Metal body of the pen, high quality nib,each pen can complete about 200 meters linear write painting This permanent paint marker Can be written on any surface: metal, glass, wood, plastic, painted surfaces, etc.