Product Name: double headed marking pen Product specification: 144 * 75mm Nib: thin head 0.5mm, thick head 1.0-2.0mm Product packaging: 12 pens(colors)/1 box Color: mixed color Pen type: oil-based Emily： I have used this pen for graffiti for a long time. It is very convenient for outline and color filling. The drying time is very short and the color is not easy to fade. It is an oil-based pen. In addition to eggshell stickers, you can also write on paper, glasses, plastic, metal, wood and other objects. It can be used to write for a long time and It is cost-effective. Now I recommend it to you.