Features: 1.Adopt of high precision synthetic fiber pen head, can be written in all kinds of smooth surface, the compression ability is strong 2.Writing smoothly, wear-resisting, and not easy to damage 3.The pen adopt streamline design, accord with human body engineering, easy to hold 4.Smooth ink, smooth writing, not easy to leak ink 5.100% free writing ink, color bright, smooth writing, and it can be erased quickly and easily, suitable for office demonstration specification:Descriptions: This whiteboard pens adopt of high precision synthetic fiber pen head, can be written in all kinds of smooth surface, the compression ability is strong. Features color bright,writing smoothly, wear-resisting, and not easy to damage. It is safe and Eco- friendly, specially designed for students and office. Adopt of high precision synthetic fiber pen head, can be written in all kinds of smooth surface, the compression ability is strong. Writing smoothly, wear-resisting, and not easy to damage. The pen adopt streamline design, accord with human body engineering, easy to hold. Smooth ink, smooth writing, not easy to leak ink. 100% free writing ink, color bright, smooth writing, and it can be erased quickly and easily, suitable for office demonstration. Widely used, suitable for office, factory, school, hotel, etc s: Color(optional): black, red, blue Pen length: 12.4cm Writing line: 0.7mm Weight:162g Package Included: 10 x whiteboard pen