General whiteboard pen is 4 colors, this style has a set of 8 colors. The marker pen is made of high quality plastic material, with new style and reasonable design, which is suitable for all kinds of people to use and deeply loved by consumers. The marker pen adopts the international environmental protection oily ink, which has the characteristics of quick drying, durability, fast sunlight and water resistance, and can be written on various surface materials. The whiteboard pen is made of environmentally friendly ink, which is easy to erase when written on the whiteboard without leaving ink mark. affordable