1Large double-tip oil-based marker uses fiber tip, which can write on the surface of compacti disk, metal, plastic, paper, stone, etc. 2Such painting tool keeps environmental protection, in oily quick-drying type for strong adhesion. 3The lines are clear and delicate, oil marker is suitable for drawing, sketching, professional hand-drawn hook lines, comic hook lines, etc. 4Adaptive to all kinds of cardboard writing, drawing marker can be easy to use. 5Fit for various markers, greeting card making or paintings, this pen can be widely used.